diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0fea9d..3c80926 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 5.0.0 - 2024-09-09
+### Changed
+- Updated for Craft 5
+
 ## 1.0.6 - 2022-01-06
 ### Fixed
 - Fix error when displaying a note from a suspended or deleted user (Fixes #5)
diff --git a/composer.json b/composer.json
index 6c0e518..34da9a0 100644
--- a/composer.json
+++ b/composer.json
@@ -1,30 +1,29 @@
 {
-  "name": "ether/notes",
-  "description": "A note taking field type for Craft CMS 3",
-  "version": "1.0.6",
-  "type": "craft-plugin",
-  "license": "proprietary",
-  "minimum-stability": "dev",
-  "require": {
-    "craftcms/cms": "^3.5"
-  },
-  "autoload": {
-    "psr-4": {
-      "ether\\notes\\": "src/"
-    }
-  },
-  "support": {
-    "email": "help@ethercreative.co.uk",
-    "source": "https://github.com/ethercreative/notes",
-    "issues": "https://github.com/ethercreative/notes/issues"
-  },
-  "extra": {
-    "handle": "notes",
-    "name": "Notes",
-    "developer": "Ether Creative",
-    "developerUrl": "https://ethercreative.co.uk",
-
-    "class": "ether\\notes\\Notes",
-    "schemaVersion": "1.0.0"
-  }
+	"name": "ether/notes",
+	"description": "A note taking field type for Craft CMS 3",
+	"type": "craft-plugin",
+	"license": "proprietary",
+	"minimum-stability": "dev",
+	"require": {
+		"craftcms/cms": "^5",
+		"php": "^8.0"
+	},
+	"autoload": {
+		"psr-4": {
+			"ether\\notes\\": "src/"
+		}
+	},
+	"support": {
+		"email": "help@ethercreative.co.uk",
+		"source": "https://github.com/ethercreative/notes",
+		"issues": "https://github.com/ethercreative/notes/issues"
+	},
+	"extra": {
+		"handle": "notes",
+		"name": "Notes",
+		"developer": "Ether Creative",
+		"developerUrl": "https://ethercreative.co.uk",
+		"class": "ether\\notes\\Notes",
+		"schemaVersion": "1.0.0"
+	}
 }
diff --git a/src/Field.php b/src/Field.php
index 36eefc3..e62b15a 100644
--- a/src/Field.php
+++ b/src/Field.php
@@ -55,7 +55,7 @@ public static function supportedTranslationMethods (): array
 		];
 	}
 
-	public function normalizeValue ($value, ElementInterface $element = null)
+	public function normalizeValue ($value, ElementInterface $element = null): mixed
 	{
 		if (!$element)
 			return [];
@@ -66,7 +66,7 @@ public function normalizeValue ($value, ElementInterface $element = null)
 		);
 	}
 
-	public function getSettingsHtml ()
+	public function getSettingsHtml (): ?string
 	{
 		// 1.0.2 back-compat
 		$allowDeleting = $this->allowDeleting;
@@ -81,7 +81,7 @@ public function getSettingsHtml ()
 		]);
 	}
 
-	protected function inputHtml ($value, ElementInterface $element = null): string
+	protected function inputHtml ($value, ?ElementInterface $element, bool $inline): string
 	{
 		if (!$element || !$element->id)
 			return Craft::t('notes', 'You must save the element before you can add notes!');
diff --git a/src/Notes.php b/src/Notes.php
index bcd925d..059af64 100644
--- a/src/Notes.php
+++ b/src/Notes.php
@@ -26,7 +26,7 @@
 class Notes extends Plugin
 {
 
-	public function init ()
+	public function init(): void
 	{
 		parent::init();
 
@@ -47,22 +47,25 @@ public function init ()
 		);
 	}
 
-	public function onRegisterFieldTypes (RegisterComponentTypesEvent $event)
+	public function onRegisterFieldTypes(RegisterComponentTypesEvent $event): void
 	{
 		$event->types[] = Field::class;
 	}
 
-	public function onRegisterPermissions (RegisterUserPermissionsEvent $event)
+	public function onRegisterPermissions(RegisterUserPermissionsEvent $event): void
 	{
-		$event->permissions['Notes'] = [
-			'addNotes' => [
-				'label' => Craft::t('notes', 'Add notes'),
-			],
-			'deleteOwnNotes' => [
-				'label' => Craft::t('notes', 'Delete own notes'),
-			],
-			'deleteAllNotes' => [
-				'label' => Craft::t('notes', 'Delete all notes'),
+		$event->permissions['notes'] = [
+			'heading' => 'Notes',
+			'permissions' => [
+				'addNotes' => [
+					'label' => Craft::t('notes', 'Add notes'),
+				],
+				'deleteOwnNotes' => [
+					'label' => Craft::t('notes', 'Delete own notes'),
+				],
+				'deleteAllNotes' => [
+					'label' => Craft::t('notes', 'Delete all notes'),
+				],
 			],
 		];
 	}