diff --git a/.github/workflows/cypress.yml b/.github/workflows/cypress.yml
index 367a4c8af..26324879b 100644
--- a/.github/workflows/cypress.yml
+++ b/.github/workflows/cypress.yml
@@ -23,7 +23,7 @@ jobs:
         # containers: [1, 2, 3]
         php-versions: [ '8.0' ]
         databases: [ 'sqlite' ]
-        server-versions: [ 'master' ]
+        server-versions: [ 'stable28' ]
 
     steps:
       - name: Use Node.js ${{ matrix.node-version }}
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 27ef4f730..ba1eb8401 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -28,7 +28,7 @@ jobs:
       matrix:
         php-versions: ['8.1']
         databases: ['sqlite', 'mysql', 'pgsql']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}
 
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 93ee16b3f..21606ae39 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -28,7 +28,7 @@ jobs:
       matrix:
         php-versions: ['8.0', '8.1', '8.2', '8.3']
         databases: ['sqlite', 'mysql', 'pgsql']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}
 
diff --git a/composer.json b/composer.json
index bca48d219..1798c2963 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
 		"roave/security-advisories": "dev-master",
 		"phpunit/phpunit": "^9",
 		"nextcloud/coding-standard": "^1.1",
-		"nextcloud/ocp": "dev-master",
+		"nextcloud/ocp": "dev-stable28",
 		"psalm/phar": "^5.13"
 	},
 	"config": {
diff --git a/composer.lock b/composer.lock
index 847d98ca9..0ab5a0086 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "91d1163b8b5b076f39a79a9c394d0217",
+    "content-hash": "2ab83bbc55ad8f0f50c5de28c10764ba",
     "packages": [
         {
             "name": "justinrainbow/json-schema",
@@ -250,30 +250,29 @@
         },
         {
             "name": "nextcloud/ocp",
-            "version": "dev-master",
+            "version": "dev-stable28",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nextcloud-deps/ocp.git",
-                "reference": "488e4ad136853e5b24efa745e941c785cf41c51e"
+                "reference": "2ac04202af2904a000d3e4090f7def301a4cecfe"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/488e4ad136853e5b24efa745e941c785cf41c51e",
-                "reference": "488e4ad136853e5b24efa745e941c785cf41c51e",
+                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/2ac04202af2904a000d3e4090f7def301a4cecfe",
+                "reference": "2ac04202af2904a000d3e4090f7def301a4cecfe",
                 "shasum": ""
             },
             "require": {
-                "php": "~8.0 || ~8.1 || ~8.2",
+                "php": "~8.0 || ~8.1 || ~8.2 || ~8.3",
                 "psr/clock": "^1.0",
                 "psr/container": "^2.0.2",
                 "psr/event-dispatcher": "^1.0",
                 "psr/log": "^1.1.4"
             },
-            "default-branch": true,
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "28.0.0-dev"
+                    "dev-stable28": "28.0.0-dev"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -289,9 +288,9 @@
             "description": "Composer package containing Nextcloud's public API (classes, interfaces)",
             "support": {
                 "issues": "https://github.com/nextcloud-deps/ocp/issues",
-                "source": "https://github.com/nextcloud-deps/ocp/tree/master"
+                "source": "https://github.com/nextcloud-deps/ocp/tree/stable28"
             },
-            "time": "2023-11-18T00:32:35+00:00"
+            "time": "2023-11-23T10:57:48+00:00"
         },
         {
             "name": "nikic/php-parser",