diff --git a/composer.json b/composer.json
index 3d0816cb..3c9f02c3 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
         "nextcloud/coding-standard": "^1.0",
         "psalm/phar": "^5.2",
         "sabre/dav": "^4.3",
-        "nextcloud/ocp": "dev-master"
+        "nextcloud/ocp": "dev-stable28"
     },
 	"config": {
 		"platform": {
diff --git a/composer.lock b/composer.lock
index bffaefab..f149261e 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": "c9396dd8b5881d43d8d5e2fe265842f1",
+    "content-hash": "4fa342b41adf3339231a96e7441db10f",
     "packages": [],
     "packages-dev": [
         {
@@ -179,16 +179,16 @@
         },
         {
             "name": "nextcloud/ocp",
-            "version": "dev-master",
+            "version": "dev-stable28",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nextcloud-deps/ocp.git",
-                "reference": "b7856e08cee00963906f367286763515878cbd83"
+                "reference": "b6148b83b113b951fcbee80b00b2279b188c947b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/b7856e08cee00963906f367286763515878cbd83",
-                "reference": "b7856e08cee00963906f367286763515878cbd83",
+                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/b6148b83b113b951fcbee80b00b2279b188c947b",
+                "reference": "b6148b83b113b951fcbee80b00b2279b188c947b",
                 "shasum": ""
             },
             "require": {
@@ -198,11 +198,10 @@
                 "psr/event-dispatcher": "^1.0",
                 "psr/log": "^1.1.4"
             },
-            "default-branch": true,
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "29.0.0-dev"
+                    "dev-stable28": "28.0.0-dev"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -218,9 +217,9 @@
             "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": "2023-12-23T00:31:42+00:00"
+            "time": "2024-01-16T00:34:24+00:00"
         },
         {
             "name": "nikic/php-parser",