diff --git a/composer.json b/composer.json
index 64019814f..4850310c6 100644
--- a/composer.json
+++ b/composer.json
@@ -16,12 +16,12 @@
     "require": {
         "php": ">=7.1",
         "docker-php/docker-php-api": "4.1.*",
-        "guzzlehttp/psr7": "^1.2",
+        "guzzlehttp/psr7": "^2.4",
         "php-http/client-common": "^1.6",
-        "php-http/socket-client": "^1.3",
+        "php-http/socket-client": "^2.1",
         "php-http/message": "^1.0",
         "symfony/filesystem": "^2.3 || ^3.0 || ^4.0",
-        "symfony/process": "^2.3 || ^3.0 || ^4.0"
+        "symfony/process": "^2.3 || ^3.0 || ^4.0 || ^5.0 || ^6.0"
     },
     "suggest": {
         "php-http/httplug-bundle": "For integration with Symfony",