diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 407a2c0..b946b98 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -54,7 +54,7 @@ jobs:
 
     steps:
       - name: Checkout server
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           repository: nextcloud/server
           ref: ${{ matrix.server-versions }}
@@ -68,18 +68,22 @@ jobs:
           cd build/integration && composer require --dev phpunit/phpunit:~9
 
       - name: Checkout app
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@2.24.0
+        uses: shivammathur/setup-php@c541c155eee45413f5b09a52248675b1a2575231 # v2.31.1
         with:
           php-version: ${{ matrix.php-versions }}
-          extensions: mbstring, iconv, fileinfo, intl, sqlite, pdo_sqlite, mysql, pdo_mysql, pgsql, pdo_pgsql, apcu
-          ini-values:
-            apc.enable_cli=on
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite, mysql, pdo_mysql, pgsql, pdo_pgsql
           coverage: none
+          ini-file: development
+          # Temporary workaround for missing pcntl_* in PHP 8.3: ini-values: apc.enable_cli=on
+          ini-values: apc.enable_cli=on, disable_functions=
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up dependencies
         working-directory: apps/${{ env.APP_NAME }}