diff --git a/.github/workflows/phpunit-mariadb.yml b/.github/workflows/phpunit-mariadb.yml
index f1cb22e77..1c54d946a 100644
--- a/.github/workflows/phpunit-mariadb.yml
+++ b/.github/workflows/phpunit-mariadb.yml
@@ -49,7 +49,7 @@ jobs:
       matrix:
         php-versions: ['8.2']
         mariadb-versions: ['10.6', '10.11']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     name: MariaDB ${{ matrix.mariadb-versions }} PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
diff --git a/.github/workflows/phpunit-mysql.yml b/.github/workflows/phpunit-mysql.yml
index 237e715c5..ff95157d2 100644
--- a/.github/workflows/phpunit-mysql.yml
+++ b/.github/workflows/phpunit-mysql.yml
@@ -48,7 +48,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.0', '8.1', '8.2', '8.3']
-        server-versions: ['master']
+        server-versions: ['stable28']
         mysql-versions: ['8.1']
 
     name: MySQL ${{ matrix.mysql-versions }} PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
diff --git a/.github/workflows/phpunit-oci.yml b/.github/workflows/phpunit-oci.yml
index e20a9ba17..c0133b18a 100644
--- a/.github/workflows/phpunit-oci.yml
+++ b/.github/workflows/phpunit-oci.yml
@@ -48,7 +48,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.2']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     services:
       oracle:
diff --git a/.github/workflows/phpunit-pgsql.yml b/.github/workflows/phpunit-pgsql.yml
index 96c097d36..bb78d199b 100644
--- a/.github/workflows/phpunit-pgsql.yml
+++ b/.github/workflows/phpunit-pgsql.yml
@@ -48,7 +48,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.2']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     services:
       postgres:
diff --git a/.github/workflows/phpunit-sqlite.yml b/.github/workflows/phpunit-sqlite.yml
index 706ed48b5..aa29ce44e 100644
--- a/.github/workflows/phpunit-sqlite.yml
+++ b/.github/workflows/phpunit-sqlite.yml
@@ -48,7 +48,7 @@ jobs:
     strategy:
       matrix:
         php-versions: ['8.2']
-        server-versions: ['master']
+        server-versions: ['stable28']
 
     steps:
       - name: Set app env
diff --git a/composer.json b/composer.json
index 850816973..b9765df4f 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
 		]
 	},
 	"require-dev": {
-		"nextcloud/ocp": "dev-master",
+		"nextcloud/ocp": "dev-stable28",
 		"phpunit/phpunit": "^9.5",
 		"psalm/phar": "^5.15"
 	},
diff --git a/composer.lock b/composer.lock
index eeb7c9e2d..a1626e99b 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": "8946fd08dd17a1a9c4cb497d315158fe",
+    "content-hash": "a1811f2d0e1f076342b84cb8af51377e",
     "packages": [
         {
             "name": "bamarni/composer-bin-plugin",
@@ -196,30 +196,29 @@
         },
         {
             "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/",
@@ -235,9 +234,9 @@
             "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",