diff --git a/composer.json b/composer.json
index f3304cd..f004ecc 100644
--- a/composer.json
+++ b/composer.json
@@ -33,9 +33,9 @@
 		"php": "^8.2 || ^8.3 || ^8.4 || ^8.5"
 	},
 	"require-dev": {
-		"nextcloud/ocp": "dev-master",
-		"roave/security-advisories": "dev-latest",
-		"psalm/phar": "6.16.1"
+		"nextcloud/ocp": "dev-stable33",
+		"psalm/phar": "6.16.1",
+		"roave/security-advisories": "dev-latest"
 	},
 	"config": {
 		"allow-plugins": {
diff --git a/composer.lock b/composer.lock
index 6d80332..f83253a 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": "8afffea62fc7347023a9ebdcf2d91762",
+    "content-hash": "f00aa6f807039dd447cdb3d7cab005f0",
     "packages": [
         {
             "name": "bamarni/composer-bin-plugin",
@@ -67,16 +67,16 @@
     "packages-dev": [
         {
             "name": "nextcloud/ocp",
-            "version": "dev-master",
+            "version": "dev-stable33",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nextcloud-deps/ocp.git",
-                "reference": "5ae445d6b96773f6c824448f879f94f17ac99904"
+                "reference": "5e155feb45c25111b89680f6120f71ae0a510ba4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/5ae445d6b96773f6c824448f879f94f17ac99904",
-                "reference": "5ae445d6b96773f6c824448f879f94f17ac99904",
+                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/5e155feb45c25111b89680f6120f71ae0a510ba4",
+                "reference": "5e155feb45c25111b89680f6120f71ae0a510ba4",
                 "shasum": ""
             },
             "require": {
@@ -86,11 +86,10 @@
                 "psr/event-dispatcher": "^1.0",
                 "psr/log": "^3.0.2"
             },
-            "default-branch": true,
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "34.0.0-dev"
+                    "dev-stable33": "33.0.0-dev"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -110,9 +109,9 @@
             "description": "Composer package containing Nextcloud's public OCP API and the unstable NCU API",
             "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/stable33"
             },
-            "time": "2026-02-07T01:04:45+00:00"
+            "time": "2026-05-09T01:52:52+00:00"
         },
         {
             "name": "psalm/phar",