diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ad1ebec..cb4016a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -84,12 +84,7 @@ jobs:
           php-version: 8.4
           coverage: none
 
-      # OIDC app only needed for oauth/login-flow modes
-      - name: Install OIDC app composer dependencies
-        if: matrix.needs-playwright
-        run: |
-          cd third_party/oidc
-          composer install --no-dev
+      # OIDC app installed from app store (dev mount removed from docker-compose.yml)
 
       - name: Set up Node.js
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
diff --git a/docker-compose.yml b/docker-compose.yml
index b882570..15665b5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,7 +37,7 @@ services:
       # The post-installation hook will register /opt/apps as an additional app directory
       #- ./third_party:/opt/apps:ro
       - ./third_party/astrolabe:/opt/apps/astrolabe:ro
-      - ./third_party/oidc:/opt/apps/oidc:ro
+      #- ./third_party/oidc:/opt/apps/oidc:ro  # Use app store version; dev mount lacks vendor/
     environment:
       - NEXTCLOUD_TRUSTED_DOMAINS=app
       - NEXTCLOUD_ADMIN_USER=admin