diff --git a/composer.json b/composer.json
index 23f023fb7..449e6cfcc 100644
--- a/composer.json
+++ b/composer.json
@@ -2,13 +2,11 @@
 	"name": "nextcloud/activity",
 	"description": "activity",
 	"license": "AGPL",
-	"require": {
-	},
 	"require-dev": {
 		"phpunit/phpunit": "^8.5",
 		"nextcloud/coding-standard": "^0.5.0",
 		"psalm/phar": "^4.3",
-		"christophwurst/nextcloud": "dev-master@dev"
+		"christophwurst/nextcloud": "dev-stable22"
 	},
 	"config": {
 		"optimize-autoloader": true,
diff --git a/composer.lock b/composer.lock
index e49b8ad44..1780ab7a4 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,21 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2c3a156fa9324af307447be0a3945a60",
+    "content-hash": "48e1b5eef7e8154f9b3a522fc7e2435a",
     "packages": [],
     "packages-dev": [
         {
             "name": "christophwurst/nextcloud",
-            "version": "dev-master",
+            "version": "dev-stable22",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ChristophWurst/nextcloud_composer.git",
-                "reference": "47f5b03bdfb678b53c338098d397938db5fd7446"
+                "reference": "bb417df98b148e26119e1814da14114575bb0521"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ChristophWurst/nextcloud_composer/zipball/47f5b03bdfb678b53c338098d397938db5fd7446",
-                "reference": "47f5b03bdfb678b53c338098d397938db5fd7446",
+                "url": "https://api.github.com/repos/ChristophWurst/nextcloud_composer/zipball/bb417df98b148e26119e1814da14114575bb0521",
+                "reference": "bb417df98b148e26119e1814da14114575bb0521",
                 "shasum": ""
             },
             "require": {
@@ -27,11 +27,10 @@
                 "psr/event-dispatcher": "^1.0",
                 "psr/log": "^1.1"
             },
-            "default-branch": true,
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "22.0.0-dev"
+                    "dev-master": "23.0.0-dev"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -47,9 +46,9 @@
             "description": "Composer package containing Nextcloud's public API (classes, interfaces)",
             "support": {
                 "issues": "https://github.com/ChristophWurst/nextcloud_composer/issues",
-                "source": "https://github.com/ChristophWurst/nextcloud_composer/tree/master"
+                "source": "https://github.com/ChristophWurst/nextcloud_composer/tree/stable22"
             },
-            "time": "2021-04-16T23:45:11+00:00"
+            "time": "2022-02-22T09:43:07+00:00"
         },
         {
             "name": "composer/semver",
@@ -3872,5 +3871,5 @@
     "platform-overrides": {
         "php": "7.3"
     },
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.1.0"
 }
diff --git a/psalm.xml b/psalm.xml
index 9ae58dc14..e8e320a7a 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -26,6 +26,7 @@
 				<referencedClass name="OC\TagManager" />
 				<referencedClass name="OC_Template" />
 				<referencedClass name="OCA\Files\Event\LoadSidebar" />
+				<referencedClass name="OCA\Files_Sharing\External\Storage" />
 			</errorLevel>
 		</UndefinedClass>
 		<UndefinedDocblockClass>