diff --git a/composer.json b/composer.json
index 4a24577a0..2fa1b348f 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
         "php": ">=8.2",
         "symfony/filesystem": "^6.3",
         "symfony/process": "^6.3",
-        "php-http/client-common": "2.5",
+        "php-http/client-common": "^2.5",
         "php-http/message": "^1.16",
         "guzzlehttp/psr7": "^2.6",
         "symfony/serializer": "^6.3",
diff --git a/generated/Model/BuildInfo.php b/generated/Model/BuildInfo.php
index 258987ddb..b14f66400 100644
--- a/generated/Model/BuildInfo.php
+++ b/generated/Model/BuildInfo.php
@@ -106,7 +106,7 @@ public function getErrorDetail()
      *
      * @return self
      */
-    public function setErrorDetail(ErrorDetail $errorDetail = null)
+    public function setErrorDetail(?ErrorDetail $errorDetail = null)
     {
         $this->errorDetail = $errorDetail;
 
@@ -166,7 +166,7 @@ public function getProgressDetail()
      *
      * @return self
      */
-    public function setProgressDetail(ProgressDetail $progressDetail = null)
+    public function setProgressDetail(?ProgressDetail $progressDetail = null)
     {
         $this->progressDetail = $progressDetail;
 
diff --git a/generated/Model/Container.php b/generated/Model/Container.php
index 40e7dc965..aeb6a67e9 100644
--- a/generated/Model/Container.php
+++ b/generated/Model/Container.php
@@ -146,7 +146,7 @@ public function getConfig()
      *
      * @return self
      */
-    public function setConfig(ContainerConfig $config = null)
+    public function setConfig(?ContainerConfig $config = null)
     {
         $this->config = $config;
 
@@ -246,7 +246,7 @@ public function getHostConfig()
      *
      * @return self
      */
-    public function setHostConfig(HostConfig $hostConfig = null)
+    public function setHostConfig(?HostConfig $hostConfig = null)
     {
         $this->hostConfig = $hostConfig;
 
@@ -406,7 +406,7 @@ public function getNetworkSettings()
      *
      * @return self
      */
-    public function setNetworkSettings(NetworkConfig $networkSettings = null)
+    public function setNetworkSettings(?NetworkConfig $networkSettings = null)
     {
         $this->networkSettings = $networkSettings;
 
@@ -506,7 +506,7 @@ public function getState()
      *
      * @return self
      */
-    public function setState(ContainerState $state = null)
+    public function setState(?ContainerState $state = null)
     {
         $this->state = $state;
 
diff --git a/generated/Model/ContainerConfig.php b/generated/Model/ContainerConfig.php
index 8ca9594c6..f8710408c 100644
--- a/generated/Model/ContainerConfig.php
+++ b/generated/Model/ContainerConfig.php
@@ -506,7 +506,7 @@ public function getHostConfig()
      *
      * @return self
      */
-    public function setHostConfig(HostConfig $hostConfig = null)
+    public function setHostConfig(?HostConfig $hostConfig = null)
     {
         $this->hostConfig = $hostConfig;
 
@@ -526,7 +526,7 @@ public function getNetworkingConfig()
      *
      * @return self
      */
-    public function setNetworkingConfig(NetworkingConfig $networkingConfig = null)
+    public function setNetworkingConfig(?NetworkingConfig $networkingConfig = null)
     {
         $this->networkingConfig = $networkingConfig;
 
diff --git a/generated/Model/ContainerConnect.php b/generated/Model/ContainerConnect.php
index 83fd69426..aee79143c 100644
--- a/generated/Model/ContainerConnect.php
+++ b/generated/Model/ContainerConnect.php
@@ -46,7 +46,7 @@ public function getEndpointConfig()
      *
      * @return self
      */
-    public function setEndpointConfig(\ArrayObject $endpointConfig = null)
+    public function setEndpointConfig(?\ArrayObject $endpointConfig = null)
     {
         $this->endpointConfig = $endpointConfig;
 
diff --git a/generated/Model/ContainerInfo.php b/generated/Model/ContainerInfo.php
index 56256ac97..001eac176 100644
--- a/generated/Model/ContainerInfo.php
+++ b/generated/Model/ContainerInfo.php
@@ -322,7 +322,7 @@ public function getHostConfig()
      *
      * @return self
      */
-    public function setHostConfig(HostConfig $hostConfig = null)
+    public function setHostConfig(?HostConfig $hostConfig = null)
     {
         $this->hostConfig = $hostConfig;
 
@@ -342,7 +342,7 @@ public function getNetworkSettings()
      *
      * @return self
      */
-    public function setNetworkSettings(NetworkConfig $networkSettings = null)
+    public function setNetworkSettings(?NetworkConfig $networkSettings = null)
     {
         $this->networkSettings = $networkSettings;
 
@@ -382,7 +382,7 @@ public function getNode()
      *
      * @return self
      */
-    public function setNode(ContainerNode $node = null)
+    public function setNode(?ContainerNode $node = null)
     {
         $this->node = $node;
 
diff --git a/generated/Model/ContainerSpecMount.php b/generated/Model/ContainerSpecMount.php
index d416ff5f0..24568eb98 100644
--- a/generated/Model/ContainerSpecMount.php
+++ b/generated/Model/ContainerSpecMount.php
@@ -122,7 +122,7 @@ public function getBindOptions()
      *
      * @return self
      */
-    public function setBindOptions(ContainerSpecMountBindOptions $bindOptions = null)
+    public function setBindOptions(?ContainerSpecMountBindOptions $bindOptions = null)
     {
         $this->bindOptions = $bindOptions;
 
@@ -142,7 +142,7 @@ public function getVolumeOptions()
      *
      * @return self
      */
-    public function setVolumeOptions(ContainerSpecMountVolumeOptions $volumeOptions = null)
+    public function setVolumeOptions(?ContainerSpecMountVolumeOptions $volumeOptions = null)
     {
         $this->volumeOptions = $volumeOptions;
 
diff --git a/generated/Model/ContainerSpecMountVolumeOptions.php b/generated/Model/ContainerSpecMountVolumeOptions.php
index 090605974..72e7f0d32 100644
--- a/generated/Model/ContainerSpecMountVolumeOptions.php
+++ b/generated/Model/ContainerSpecMountVolumeOptions.php
@@ -70,7 +70,7 @@ public function getDriverConfig()
      *
      * @return self
      */
-    public function setDriverConfig(Driver $driverConfig = null)
+    public function setDriverConfig(?Driver $driverConfig = null)
     {
         $this->driverConfig = $driverConfig;
 
diff --git a/generated/Model/CreateImageInfo.php b/generated/Model/CreateImageInfo.php
index d4d8aae55..413e14686 100644
--- a/generated/Model/CreateImageInfo.php
+++ b/generated/Model/CreateImageInfo.php
@@ -118,7 +118,7 @@ public function getProgressDetail()
      *
      * @return self
      */
-    public function setProgressDetail(ProgressDetail $progressDetail = null)
+    public function setProgressDetail(?ProgressDetail $progressDetail = null)
     {
         $this->progressDetail = $progressDetail;
 
diff --git a/generated/Model/Endpoint.php b/generated/Model/Endpoint.php
index efed1f908..6e772a700 100644
--- a/generated/Model/Endpoint.php
+++ b/generated/Model/Endpoint.php
@@ -30,7 +30,7 @@ public function getSpec()
      *
      * @return self
      */
-    public function setSpec(EndpointSpec $spec = null)
+    public function setSpec(?EndpointSpec $spec = null)
     {
         $this->spec = $spec;
 
diff --git a/generated/Model/EndpointIPAMConfig.php b/generated/Model/EndpointIPAMConfig.php
index 451476c0e..693a136e2 100644
--- a/generated/Model/EndpointIPAMConfig.php
+++ b/generated/Model/EndpointIPAMConfig.php
@@ -70,7 +70,7 @@ public function getLinkLocalIPs()
      *
      * @return self
      */
-    public function setLinkLocalIPs(array $linkLocalIPs = null)
+    public function setLinkLocalIPs(?array $linkLocalIPs = null)
     {
         $this->linkLocalIPs = $linkLocalIPs;
 
diff --git a/generated/Model/EndpointSettings.php b/generated/Model/EndpointSettings.php
index f1540abc3..5add44948 100644
--- a/generated/Model/EndpointSettings.php
+++ b/generated/Model/EndpointSettings.php
@@ -66,7 +66,7 @@ public function getIPAMConfig()
      *
      * @return self
      */
-    public function setIPAMConfig(EndpointIPAMConfig $iPAMConfig = null)
+    public function setIPAMConfig(?EndpointIPAMConfig $iPAMConfig = null)
     {
         $this->iPAMConfig = $iPAMConfig;
 
@@ -86,7 +86,7 @@ public function getLinks()
      *
      * @return self
      */
-    public function setLinks(array $links = null)
+    public function setLinks(?array $links = null)
     {
         $this->links = $links;
 
@@ -106,7 +106,7 @@ public function getAliases()
      *
      * @return self
      */
-    public function setAliases(array $aliases = null)
+    public function setAliases(?array $aliases = null)
     {
         $this->aliases = $aliases;
 
diff --git a/generated/Model/ExecCommand.php b/generated/Model/ExecCommand.php
index 94e2e9949..8ec51546b 100644
--- a/generated/Model/ExecCommand.php
+++ b/generated/Model/ExecCommand.php
@@ -114,7 +114,7 @@ public function getProcessConfig()
      *
      * @return self
      */
-    public function setProcessConfig(ProcessConfig $processConfig = null)
+    public function setProcessConfig(?ProcessConfig $processConfig = null)
     {
         $this->processConfig = $processConfig;
 
@@ -194,7 +194,7 @@ public function getContainer()
      *
      * @return self
      */
-    public function setContainer(Container $container = null)
+    public function setContainer(?Container $container = null)
     {
         $this->container = $container;
 
diff --git a/generated/Model/HostConfig.php b/generated/Model/HostConfig.php
index ade524658..34376e6b6 100644
--- a/generated/Model/HostConfig.php
+++ b/generated/Model/HostConfig.php
@@ -994,7 +994,7 @@ public function getRestartPolicy()
      *
      * @return self
      */
-    public function setRestartPolicy(RestartPolicy $restartPolicy = null)
+    public function setRestartPolicy(?RestartPolicy $restartPolicy = null)
     {
         $this->restartPolicy = $restartPolicy;
 
@@ -1114,7 +1114,7 @@ public function getLogConfig()
      *
      * @return self
      */
-    public function setLogConfig(LogConfig $logConfig = null)
+    public function setLogConfig(?LogConfig $logConfig = null)
     {
         $this->logConfig = $logConfig;
 
diff --git a/generated/Model/Image.php b/generated/Model/Image.php
index 861b35915..967329160 100644
--- a/generated/Model/Image.php
+++ b/generated/Model/Image.php
@@ -202,7 +202,7 @@ public function getContainerConfig()
      *
      * @return self
      */
-    public function setContainerConfig(ContainerConfig $containerConfig = null)
+    public function setContainerConfig(?ContainerConfig $containerConfig = null)
     {
         $this->containerConfig = $containerConfig;
 
@@ -322,7 +322,7 @@ public function getGraphDriver()
      *
      * @return self
      */
-    public function setGraphDriver(GraphDriver $graphDriver = null)
+    public function setGraphDriver(?GraphDriver $graphDriver = null)
     {
         $this->graphDriver = $graphDriver;
 
@@ -382,7 +382,7 @@ public function getConfig()
      *
      * @return self
      */
-    public function setConfig(ContainerConfig $config = null)
+    public function setConfig(?ContainerConfig $config = null)
     {
         $this->config = $config;
 
diff --git a/generated/Model/Network.php b/generated/Model/Network.php
index af5c25ac9..ec7e03605 100644
--- a/generated/Model/Network.php
+++ b/generated/Model/Network.php
@@ -158,7 +158,7 @@ public function getIPAM()
      *
      * @return self
      */
-    public function setIPAM(IPAM $iPAM = null)
+    public function setIPAM(?IPAM $iPAM = null)
     {
         $this->iPAM = $iPAM;
 
@@ -218,7 +218,7 @@ public function getOptions()
      *
      * @return self
      */
-    public function setOptions(\ArrayObject $options = null)
+    public function setOptions(?\ArrayObject $options = null)
     {
         $this->options = $options;
 
diff --git a/generated/Model/NetworkAttachment.php b/generated/Model/NetworkAttachment.php
index ef8caf425..e70ccc164 100644
--- a/generated/Model/NetworkAttachment.php
+++ b/generated/Model/NetworkAttachment.php
@@ -26,7 +26,7 @@ public function getNetwork()
      *
      * @return self
      */
-    public function setNetwork(SwarmNetwork $network = null)
+    public function setNetwork(?SwarmNetwork $network = null)
     {
         $this->network = $network;
 
diff --git a/generated/Model/NetworkConfig.php b/generated/Model/NetworkConfig.php
index aaaa8dd07..61e0f1b26 100644
--- a/generated/Model/NetworkConfig.php
+++ b/generated/Model/NetworkConfig.php
@@ -170,7 +170,7 @@ public function getNetworks()
      *
      * @return self
      */
-    public function setNetworks(\ArrayObject $networks = null)
+    public function setNetworks(?\ArrayObject $networks = null)
     {
         $this->networks = $networks;
 
diff --git a/generated/Model/NetworkCreateConfig.php b/generated/Model/NetworkCreateConfig.php
index c4aa7f951..11e39c658 100644
--- a/generated/Model/NetworkCreateConfig.php
+++ b/generated/Model/NetworkCreateConfig.php
@@ -130,7 +130,7 @@ public function getIPAM()
      *
      * @return self
      */
-    public function setIPAM(IPAM $iPAM = null)
+    public function setIPAM(?IPAM $iPAM = null)
     {
         $this->iPAM = $iPAM;
 
@@ -170,7 +170,7 @@ public function getOptions()
      *
      * @return self
      */
-    public function setOptions(\ArrayObject $options = null)
+    public function setOptions(?\ArrayObject $options = null)
     {
         $this->options = $options;
 
diff --git a/generated/Model/NetworkingConfig.php b/generated/Model/NetworkingConfig.php
index 589523285..9b95c58f7 100644
--- a/generated/Model/NetworkingConfig.php
+++ b/generated/Model/NetworkingConfig.php
@@ -22,7 +22,7 @@ public function getEndpointsConfig()
      *
      * @return self
      */
-    public function setEndpointsConfig(\ArrayObject $endpointsConfig = null)
+    public function setEndpointsConfig(?\ArrayObject $endpointsConfig = null)
     {
         $this->endpointsConfig = $endpointsConfig;
 
diff --git a/generated/Model/Node.php b/generated/Model/Node.php
index 16225d61e..ae0f5f893 100644
--- a/generated/Model/Node.php
+++ b/generated/Model/Node.php
@@ -70,7 +70,7 @@ public function getVersion()
      *
      * @return self
      */
-    public function setVersion(NodeVersion $version = null)
+    public function setVersion(?NodeVersion $version = null)
     {
         $this->version = $version;
 
@@ -90,7 +90,7 @@ public function getCreatedAt()
      *
      * @return self
      */
-    public function setCreatedAt(\DateTime $createdAt = null)
+    public function setCreatedAt(?\DateTime $createdAt = null)
     {
         $this->createdAt = $createdAt;
 
@@ -110,7 +110,7 @@ public function getUpdatedAt()
      *
      * @return self
      */
-    public function setUpdatedAt(\DateTime $updatedAt = null)
+    public function setUpdatedAt(?\DateTime $updatedAt = null)
     {
         $this->updatedAt = $updatedAt;
 
@@ -130,7 +130,7 @@ public function getSpec()
      *
      * @return self
      */
-    public function setSpec(NodeSpec $spec = null)
+    public function setSpec(?NodeSpec $spec = null)
     {
         $this->spec = $spec;
 
@@ -150,7 +150,7 @@ public function getDescription()
      *
      * @return self
      */
-    public function setDescription(NodeDescription $description = null)
+    public function setDescription(?NodeDescription $description = null)
     {
         $this->description = $description;
 
@@ -170,7 +170,7 @@ public function getStatus()
      *
      * @return self
      */
-    public function setStatus(NodeStatus $status = null)
+    public function setStatus(?NodeStatus $status = null)
     {
         $this->status = $status;
 
@@ -190,7 +190,7 @@ public function getManagerStatus()
      *
      * @return self
      */
-    public function setManagerStatus(NodeManagerStatus $managerStatus = null)
+    public function setManagerStatus(?NodeManagerStatus $managerStatus = null)
     {
         $this->managerStatus = $managerStatus;
 
diff --git a/generated/Model/NodeDescription.php b/generated/Model/NodeDescription.php
index d659bf4e6..b80872c47 100644
--- a/generated/Model/NodeDescription.php
+++ b/generated/Model/NodeDescription.php
@@ -54,7 +54,7 @@ public function getPlatform()
      *
      * @return self
      */
-    public function setPlatform(NodePlatform $platform = null)
+    public function setPlatform(?NodePlatform $platform = null)
     {
         $this->platform = $platform;
 
@@ -74,7 +74,7 @@ public function getResources()
      *
      * @return self
      */
-    public function setResources(NodeResources $resources = null)
+    public function setResources(?NodeResources $resources = null)
     {
         $this->resources = $resources;
 
@@ -94,7 +94,7 @@ public function getEngine()
      *
      * @return self
      */
-    public function setEngine(NodeEngine $engine = null)
+    public function setEngine(?NodeEngine $engine = null)
     {
         $this->engine = $engine;
 
diff --git a/generated/Model/NodeEngine.php b/generated/Model/NodeEngine.php
index 2c39b20d5..434dcf787 100644
--- a/generated/Model/NodeEngine.php
+++ b/generated/Model/NodeEngine.php
@@ -70,7 +70,7 @@ public function getPlugins()
      *
      * @return self
      */
-    public function setPlugins(array $plugins = null)
+    public function setPlugins(?array $plugins = null)
     {
         $this->plugins = $plugins;
 
diff --git a/generated/Model/PushImageInfo.php b/generated/Model/PushImageInfo.php
index f2e84265f..79d58b462 100644
--- a/generated/Model/PushImageInfo.php
+++ b/generated/Model/PushImageInfo.php
@@ -94,7 +94,7 @@ public function getProgressDetail()
      *
      * @return self
      */
-    public function setProgressDetail(ProgressDetail $progressDetail = null)
+    public function setProgressDetail(?ProgressDetail $progressDetail = null)
     {
         $this->progressDetail = $progressDetail;
 
diff --git a/generated/Model/RegistryConfig.php b/generated/Model/RegistryConfig.php
index b131d7075..406411237 100644
--- a/generated/Model/RegistryConfig.php
+++ b/generated/Model/RegistryConfig.php
@@ -26,7 +26,7 @@ public function getIndexConfigs()
      *
      * @return self
      */
-    public function setIndexConfigs(\ArrayObject $indexConfigs = null)
+    public function setIndexConfigs(?\ArrayObject $indexConfigs = null)
     {
         $this->indexConfigs = $indexConfigs;
 
diff --git a/generated/Model/ResourceUpdate.php b/generated/Model/ResourceUpdate.php
index 4389c7d95..b5feacc1b 100644
--- a/generated/Model/ResourceUpdate.php
+++ b/generated/Model/ResourceUpdate.php
@@ -262,7 +262,7 @@ public function getRestartPolicy()
      *
      * @return self
      */
-    public function setRestartPolicy(RestartPolicy $restartPolicy = null)
+    public function setRestartPolicy(?RestartPolicy $restartPolicy = null)
     {
         $this->restartPolicy = $restartPolicy;
 
diff --git a/generated/Model/Service.php b/generated/Model/Service.php
index 5874e149b..36816a126 100644
--- a/generated/Model/Service.php
+++ b/generated/Model/Service.php
@@ -66,7 +66,7 @@ public function getVersion()
      *
      * @return self
      */
-    public function setVersion(NodeVersion $version = null)
+    public function setVersion(?NodeVersion $version = null)
     {
         $this->version = $version;
 
@@ -86,7 +86,7 @@ public function getCreatedAt()
      *
      * @return self
      */
-    public function setCreatedAt(\DateTime $createdAt = null)
+    public function setCreatedAt(?\DateTime $createdAt = null)
     {
         $this->createdAt = $createdAt;
 
@@ -106,7 +106,7 @@ public function getUpdatedAt()
      *
      * @return self
      */
-    public function setUpdatedAt(\DateTime $updatedAt = null)
+    public function setUpdatedAt(?\DateTime $updatedAt = null)
     {
         $this->updatedAt = $updatedAt;
 
@@ -126,7 +126,7 @@ public function getSpec()
      *
      * @return self
      */
-    public function setSpec(ServiceSpec $spec = null)
+    public function setSpec(?ServiceSpec $spec = null)
     {
         $this->spec = $spec;
 
@@ -146,7 +146,7 @@ public function getEndpoint()
      *
      * @return self
      */
-    public function setEndpoint(Endpoint $endpoint = null)
+    public function setEndpoint(?Endpoint $endpoint = null)
     {
         $this->endpoint = $endpoint;
 
@@ -166,7 +166,7 @@ public function getUpdateStatus()
      *
      * @return self
      */
-    public function setUpdateStatus(UpdateStatus $updateStatus = null)
+    public function setUpdateStatus(?UpdateStatus $updateStatus = null)
     {
         $this->updateStatus = $updateStatus;
 
diff --git a/generated/Model/ServiceSpec.php b/generated/Model/ServiceSpec.php
index 01b1e336e..23ad2748f 100644
--- a/generated/Model/ServiceSpec.php
+++ b/generated/Model/ServiceSpec.php
@@ -86,7 +86,7 @@ public function getTaskTemplate()
      *
      * @return self
      */
-    public function setTaskTemplate(TaskSpec $taskTemplate = null)
+    public function setTaskTemplate(?TaskSpec $taskTemplate = null)
     {
         $this->taskTemplate = $taskTemplate;
 
@@ -106,7 +106,7 @@ public function getMode()
      *
      * @return self
      */
-    public function setMode(ServiceSpecMode $mode = null)
+    public function setMode(?ServiceSpecMode $mode = null)
     {
         $this->mode = $mode;
 
@@ -126,7 +126,7 @@ public function getUpdateConfig()
      *
      * @return self
      */
-    public function setUpdateConfig(UpdateConfig $updateConfig = null)
+    public function setUpdateConfig(?UpdateConfig $updateConfig = null)
     {
         $this->updateConfig = $updateConfig;
 
diff --git a/generated/Model/ServiceSpecMode.php b/generated/Model/ServiceSpecMode.php
index f1e44f6e5..6ed9b53fe 100644
--- a/generated/Model/ServiceSpecMode.php
+++ b/generated/Model/ServiceSpecMode.php
@@ -26,7 +26,7 @@ public function getReplicated()
      *
      * @return self
      */
-    public function setReplicated(ReplicatedService $replicated = null)
+    public function setReplicated(?ReplicatedService $replicated = null)
     {
         $this->replicated = $replicated;
 
@@ -46,7 +46,7 @@ public function getGlobal()
      *
      * @return self
      */
-    public function setGlobal(GlobalService $global = null)
+    public function setGlobal(?GlobalService $global = null)
     {
         $this->global = $global;
 
diff --git a/generated/Model/SwarmConfig.php b/generated/Model/SwarmConfig.php
index 37fb36cc6..4f28bcb42 100644
--- a/generated/Model/SwarmConfig.php
+++ b/generated/Model/SwarmConfig.php
@@ -94,7 +94,7 @@ public function getSpec()
      *
      * @return self
      */
-    public function setSpec(SwarmConfigSpec $spec = null)
+    public function setSpec(?SwarmConfigSpec $spec = null)
     {
         $this->spec = $spec;
 
diff --git a/generated/Model/SwarmConfigSpec.php b/generated/Model/SwarmConfigSpec.php
index b9d60abc0..58174e77c 100644
--- a/generated/Model/SwarmConfigSpec.php
+++ b/generated/Model/SwarmConfigSpec.php
@@ -34,7 +34,7 @@ public function getOrchestration()
      *
      * @return self
      */
-    public function setOrchestration(SwarmConfigSpecOrchestration $orchestration = null)
+    public function setOrchestration(?SwarmConfigSpecOrchestration $orchestration = null)
     {
         $this->orchestration = $orchestration;
 
@@ -54,7 +54,7 @@ public function getRaft()
      *
      * @return self
      */
-    public function setRaft(SwarmConfigSpecRaft $raft = null)
+    public function setRaft(?SwarmConfigSpecRaft $raft = null)
     {
         $this->raft = $raft;
 
@@ -74,7 +74,7 @@ public function getDispatcher()
      *
      * @return self
      */
-    public function setDispatcher(SwarmConfigSpecDispatcher $dispatcher = null)
+    public function setDispatcher(?SwarmConfigSpecDispatcher $dispatcher = null)
     {
         $this->dispatcher = $dispatcher;
 
@@ -94,7 +94,7 @@ public function getCAConfig()
      *
      * @return self
      */
-    public function setCAConfig(SwarmConfigSpecCAConfig $cAConfig = null)
+    public function setCAConfig(?SwarmConfigSpecCAConfig $cAConfig = null)
     {
         $this->cAConfig = $cAConfig;
 
diff --git a/generated/Model/SwarmConfigSpecCAConfig.php b/generated/Model/SwarmConfigSpecCAConfig.php
index c7d7206e9..2bde0ed35 100644
--- a/generated/Model/SwarmConfigSpecCAConfig.php
+++ b/generated/Model/SwarmConfigSpecCAConfig.php
@@ -46,7 +46,7 @@ public function getExternalCA()
      *
      * @return self
      */
-    public function setExternalCA(SwarmConfigSpecCAConfigExternalCA $externalCA = null)
+    public function setExternalCA(?SwarmConfigSpecCAConfigExternalCA $externalCA = null)
     {
         $this->externalCA = $externalCA;
 
diff --git a/generated/Model/SwarmIPAMOptions.php b/generated/Model/SwarmIPAMOptions.php
index b7e3ecfaf..d9e94a6d8 100644
--- a/generated/Model/SwarmIPAMOptions.php
+++ b/generated/Model/SwarmIPAMOptions.php
@@ -26,7 +26,7 @@ public function getDriver()
      *
      * @return self
      */
-    public function setDriver(Driver $driver = null)
+    public function setDriver(?Driver $driver = null)
     {
         $this->driver = $driver;
 
diff --git a/generated/Model/SwarmNetwork.php b/generated/Model/SwarmNetwork.php
index 85b17744f..ec5e56596 100644
--- a/generated/Model/SwarmNetwork.php
+++ b/generated/Model/SwarmNetwork.php
@@ -66,7 +66,7 @@ public function getVersion()
      *
      * @return self
      */
-    public function setVersion(NodeVersion $version = null)
+    public function setVersion(?NodeVersion $version = null)
     {
         $this->version = $version;
 
@@ -86,7 +86,7 @@ public function getCreatedAt()
      *
      * @return self
      */
-    public function setCreatedAt(\DateTime $createdAt = null)
+    public function setCreatedAt(?\DateTime $createdAt = null)
     {
         $this->createdAt = $createdAt;
 
@@ -106,7 +106,7 @@ public function getUpdatedAt()
      *
      * @return self
      */
-    public function setUpdatedAt(\DateTime $updatedAt = null)
+    public function setUpdatedAt(?\DateTime $updatedAt = null)
     {
         $this->updatedAt = $updatedAt;
 
@@ -126,7 +126,7 @@ public function getSpec()
      *
      * @return self
      */
-    public function setSpec(SwarmNetworkSpec $spec = null)
+    public function setSpec(?SwarmNetworkSpec $spec = null)
     {
         $this->spec = $spec;
 
@@ -146,7 +146,7 @@ public function getDriverState()
      *
      * @return self
      */
-    public function setDriverState(Driver $driverState = null)
+    public function setDriverState(?Driver $driverState = null)
     {
         $this->driverState = $driverState;
 
@@ -166,7 +166,7 @@ public function getIPAM()
      *
      * @return self
      */
-    public function setIPAM(SwarmIPAMOptions $iPAM = null)
+    public function setIPAM(?SwarmIPAMOptions $iPAM = null)
     {
         $this->iPAM = $iPAM;
 
diff --git a/generated/Model/SwarmNetworkSpec.php b/generated/Model/SwarmNetworkSpec.php
index 47e802ee0..3b216f702 100644
--- a/generated/Model/SwarmNetworkSpec.php
+++ b/generated/Model/SwarmNetworkSpec.php
@@ -82,7 +82,7 @@ public function getDriverConfiguration()
      *
      * @return self
      */
-    public function setDriverConfiguration(Driver $driverConfiguration = null)
+    public function setDriverConfiguration(?Driver $driverConfiguration = null)
     {
         $this->driverConfiguration = $driverConfiguration;
 
@@ -142,7 +142,7 @@ public function getIPAM()
      *
      * @return self
      */
-    public function setIPAM(SwarmIPAMOptions $iPAM = null)
+    public function setIPAM(?SwarmIPAMOptions $iPAM = null)
     {
         $this->iPAM = $iPAM;
 
diff --git a/generated/Model/SwarmUpdateConfig.php b/generated/Model/SwarmUpdateConfig.php
index af319df3a..16d51efee 100644
--- a/generated/Model/SwarmUpdateConfig.php
+++ b/generated/Model/SwarmUpdateConfig.php
@@ -62,7 +62,7 @@ public function getOrchestration()
      *
      * @return self
      */
-    public function setOrchestration(SwarmConfigSpecOrchestration $orchestration = null)
+    public function setOrchestration(?SwarmConfigSpecOrchestration $orchestration = null)
     {
         $this->orchestration = $orchestration;
 
@@ -82,7 +82,7 @@ public function getRaft()
      *
      * @return self
      */
-    public function setRaft(SwarmConfigSpecRaft $raft = null)
+    public function setRaft(?SwarmConfigSpecRaft $raft = null)
     {
         $this->raft = $raft;
 
@@ -102,7 +102,7 @@ public function getDispatcher()
      *
      * @return self
      */
-    public function setDispatcher(SwarmConfigSpecDispatcher $dispatcher = null)
+    public function setDispatcher(?SwarmConfigSpecDispatcher $dispatcher = null)
     {
         $this->dispatcher = $dispatcher;
 
@@ -122,7 +122,7 @@ public function getCAConfig()
      *
      * @return self
      */
-    public function setCAConfig(SwarmConfigSpecCAConfig $cAConfig = null)
+    public function setCAConfig(?SwarmConfigSpecCAConfig $cAConfig = null)
     {
         $this->cAConfig = $cAConfig;
 
@@ -142,7 +142,7 @@ public function getJoinTokens()
      *
      * @return self
      */
-    public function setJoinTokens(SwarmJoinTokens $joinTokens = null)
+    public function setJoinTokens(?SwarmJoinTokens $joinTokens = null)
     {
         $this->joinTokens = $joinTokens;
 
diff --git a/generated/Model/SystemInformation.php b/generated/Model/SystemInformation.php
index 56cb28270..9581cad8b 100644
--- a/generated/Model/SystemInformation.php
+++ b/generated/Model/SystemInformation.php
@@ -950,7 +950,7 @@ public function getRegistryConfig()
      *
      * @return self
      */
-    public function setRegistryConfig(RegistryConfig $registryConfig = null)
+    public function setRegistryConfig(?RegistryConfig $registryConfig = null)
     {
         $this->registryConfig = $registryConfig;
 
diff --git a/generated/Model/Task.php b/generated/Model/Task.php
index 71410c909..53c4d50b9 100644
--- a/generated/Model/Task.php
+++ b/generated/Model/Task.php
@@ -94,7 +94,7 @@ public function getVersion()
      *
      * @return self
      */
-    public function setVersion(NodeVersion $version = null)
+    public function setVersion(?NodeVersion $version = null)
     {
         $this->version = $version;
 
@@ -114,7 +114,7 @@ public function getCreatedAt()
      *
      * @return self
      */
-    public function setCreatedAt(\DateTime $createdAt = null)
+    public function setCreatedAt(?\DateTime $createdAt = null)
     {
         $this->createdAt = $createdAt;
 
@@ -134,7 +134,7 @@ public function getUpdatedAt()
      *
      * @return self
      */
-    public function setUpdatedAt(\DateTime $updatedAt = null)
+    public function setUpdatedAt(?\DateTime $updatedAt = null)
     {
         $this->updatedAt = $updatedAt;
 
@@ -174,7 +174,7 @@ public function getSpec()
      *
      * @return self
      */
-    public function setSpec(TaskSpec $spec = null)
+    public function setSpec(?TaskSpec $spec = null)
     {
         $this->spec = $spec;
 
@@ -254,7 +254,7 @@ public function getServiceAnnotations()
      *
      * @return self
      */
-    public function setServiceAnnotations(Annotations $serviceAnnotations = null)
+    public function setServiceAnnotations(?Annotations $serviceAnnotations = null)
     {
         $this->serviceAnnotations = $serviceAnnotations;
 
@@ -274,7 +274,7 @@ public function getStatus()
      *
      * @return self
      */
-    public function setStatus(TaskStatus $status = null)
+    public function setStatus(?TaskStatus $status = null)
     {
         $this->status = $status;
 
@@ -334,7 +334,7 @@ public function getEndpoint()
      *
      * @return self
      */
-    public function setEndpoint(Endpoint $endpoint = null)
+    public function setEndpoint(?Endpoint $endpoint = null)
     {
         $this->endpoint = $endpoint;
 
diff --git a/generated/Model/TaskSpec.php b/generated/Model/TaskSpec.php
index 5172eda8a..344ab8a83 100644
--- a/generated/Model/TaskSpec.php
+++ b/generated/Model/TaskSpec.php
@@ -34,7 +34,7 @@ public function getContainerSpec()
      *
      * @return self
      */
-    public function setContainerSpec(ContainerSpec $containerSpec = null)
+    public function setContainerSpec(?ContainerSpec $containerSpec = null)
     {
         $this->containerSpec = $containerSpec;
 
@@ -54,7 +54,7 @@ public function getResources()
      *
      * @return self
      */
-    public function setResources(TaskSpecResourceRequirements $resources = null)
+    public function setResources(?TaskSpecResourceRequirements $resources = null)
     {
         $this->resources = $resources;
 
@@ -74,7 +74,7 @@ public function getRestartPolicy()
      *
      * @return self
      */
-    public function setRestartPolicy(TaskSpecRestartPolicy $restartPolicy = null)
+    public function setRestartPolicy(?TaskSpecRestartPolicy $restartPolicy = null)
     {
         $this->restartPolicy = $restartPolicy;
 
@@ -94,7 +94,7 @@ public function getPlacement()
      *
      * @return self
      */
-    public function setPlacement(TaskSpecPlacement $placement = null)
+    public function setPlacement(?TaskSpecPlacement $placement = null)
     {
         $this->placement = $placement;
 
diff --git a/generated/Model/TaskSpecResourceRequirements.php b/generated/Model/TaskSpecResourceRequirements.php
index 88522dc39..570602a49 100644
--- a/generated/Model/TaskSpecResourceRequirements.php
+++ b/generated/Model/TaskSpecResourceRequirements.php
@@ -26,7 +26,7 @@ public function getLimits()
      *
      * @return self
      */
-    public function setLimits(NodeResources $limits = null)
+    public function setLimits(?NodeResources $limits = null)
     {
         $this->limits = $limits;
 
@@ -46,7 +46,7 @@ public function getReservations()
      *
      * @return self
      */
-    public function setReservations(NodeResources $reservations = null)
+    public function setReservations(?NodeResources $reservations = null)
     {
         $this->reservations = $reservations;
 
diff --git a/generated/Model/TaskStatus.php b/generated/Model/TaskStatus.php
index 20dea3799..82873456d 100644
--- a/generated/Model/TaskStatus.php
+++ b/generated/Model/TaskStatus.php
@@ -118,7 +118,7 @@ public function getContainerStatus()
      *
      * @return self
      */
-    public function setContainerStatus(ContainerStatus $containerStatus = null)
+    public function setContainerStatus(?ContainerStatus $containerStatus = null)
     {
         $this->containerStatus = $containerStatus;
 
diff --git a/generated/Model/UpdateStatus.php b/generated/Model/UpdateStatus.php
index 637a8254c..8486bd110 100644
--- a/generated/Model/UpdateStatus.php
+++ b/generated/Model/UpdateStatus.php
@@ -54,7 +54,7 @@ public function getStartedAt()
      *
      * @return self
      */
-    public function setStartedAt(\DateTime $startedAt = null)
+    public function setStartedAt(?\DateTime $startedAt = null)
     {
         $this->startedAt = $startedAt;
 
@@ -74,7 +74,7 @@ public function getCompletedAt()
      *
      * @return self
      */
-    public function setCompletedAt(\DateTime $completedAt = null)
+    public function setCompletedAt(?\DateTime $completedAt = null)
     {
         $this->completedAt = $completedAt;
 
diff --git a/generated/Model/VolumeConfig.php b/generated/Model/VolumeConfig.php
index adb47c9e4..068986d60 100644
--- a/generated/Model/VolumeConfig.php
+++ b/generated/Model/VolumeConfig.php
@@ -70,7 +70,7 @@ public function getDriverOpts()
      *
      * @return self
      */
-    public function setDriverOpts(\ArrayObject $driverOpts = null)
+    public function setDriverOpts(?\ArrayObject $driverOpts = null)
     {
         $this->driverOpts = $driverOpts;
 
diff --git a/generated/Normalizer/HostConfigNormalizer.php b/generated/Normalizer/HostConfigNormalizer.php
index 2fc6bf2bb..90f1032fe 100644
--- a/generated/Normalizer/HostConfigNormalizer.php
+++ b/generated/Normalizer/HostConfigNormalizer.php
@@ -777,7 +777,7 @@ public function normalize($object, $format = null, array $context = [])
         if (is_array($object->getDevices())) {
             $values_21 = [];
             foreach ($object->getDevices() as $value_43) {
-                $values_21[] = $this->serializer->normalize($value_43, 'raw', $context);
+                $values_21[] = json_decode($this->serializer->normalize($value_43, 'raw', $context));
             }
             $value_42 = $values_21;
         }
@@ -789,7 +789,7 @@ public function normalize($object, $format = null, array $context = [])
         if (is_array($object->getUlimits())) {
             $values_22 = [];
             foreach ($object->getUlimits() as $value_45) {
-                $values_22[] = $this->serializer->normalize($value_45, 'raw', $context);
+                $values_22[] = json_decode($this->serializer->normalize($value_45, 'raw', $context));
             }
             $value_44 = $values_22;
         }
diff --git a/src/Context/ContextBuilder.php b/src/Context/ContextBuilder.php
index 19c7c5429..bbbadaf4d 100644
--- a/src/Context/ContextBuilder.php
+++ b/src/Context/ContextBuilder.php
@@ -49,7 +49,7 @@ class ContextBuilder
     /**
      * @param \Symfony\Component\Filesystem\Filesystem
      */
-    public function __construct(Filesystem $fs = null)
+    public function __construct(?Filesystem $fs = null)
     {
         $this->fs = $fs ?: new Filesystem();
         $this->format = Context::FORMAT_STREAM;
diff --git a/src/Docker.php b/src/Docker.php
index cdac78e33..3973e5f92 100644
--- a/src/Docker.php
+++ b/src/Docker.php
@@ -97,7 +97,7 @@ class Docker
      * @param Serializer|null     $serializer     Deserialize docker response into php objects
      * @param HttpFactory|null $messageFactory How to create docker request (in PSR7)
      */
-    public function __construct(ClientInterface $httpClient = null, Serializer $serializer = null, HttpFactory $messageFactory = null)
+    public function __construct(?ClientInterface $httpClient = null, ?Serializer $serializer = null, ?HttpFactory $messageFactory = null)
     {
         $this->httpClient = $httpClient ?: DockerClient::createFromEnv();
 
diff --git a/src/SocketClient/Exception/StreamException.php b/src/SocketClient/Exception/StreamException.php
index e29aa46f5..db1c62d12 100644
--- a/src/SocketClient/Exception/StreamException.php
+++ b/src/SocketClient/Exception/StreamException.php
@@ -22,7 +22,7 @@ class StreamException extends \RuntimeException implements Exception
      * @param Exception        $previous
      * @param RequestInterface $request
      */
-    public function __construct(string $message = null, int $code = null, Exception $previous = null, RequestInterface $request = null)
+    public function __construct(?string $message = null, ?int $code = null, ?Exception $previous = null, ?RequestInterface $request = null)
     {
         $this->request = $request;
         parent::__construct($message, $code, $previous);
diff --git a/src/SocketClient/Stream.php b/src/SocketClient/Stream.php
index 0c65561b9..ab09e5cc9 100644
--- a/src/SocketClient/Stream.php
+++ b/src/SocketClient/Stream.php
@@ -48,7 +48,7 @@ class Stream implements StreamInterface
      * @param resource $socket
      * @param int      $size
      */
-    public function __construct($socket, int $size = null)
+    public function __construct($socket, ?int $size = null)
     {
         $this->socket = $socket;
         $this->size = $size;
diff --git a/src/Stream/AttachWebsocketStream.php b/src/Stream/AttachWebsocketStream.php
index a5e5cd2e5..030270a2f 100644
--- a/src/Stream/AttachWebsocketStream.php
+++ b/src/Stream/AttachWebsocketStream.php
@@ -134,7 +134,7 @@ public function read(int $waitTime = 0, int $waitMicroTime = 200000, bool $getFr
         // Decode data if needed
         if ($frame['mask'] == 1) {
             for ($i = 0; $i < $frame['len']; $i++) {
-                $frame['data'][$i] = chr(ord($frame['data']{$i}) ^ ord($frame['mask_key'][$i % 4]));
+                $frame['data'][$i] = chr(ord($frame['data'][$i]) ^ ord($frame['mask_key'][$i % 4]));
             }
         }