diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index b42fd56..e7cebe7 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -18,9 +18,9 @@ jobs:
 
     name: Test PHP ${{ matrix.php-version }}
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - name: Setup PHP Action
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@eb7c497e18156a6bbabfef1d3a82760b9eda3962 # v2
         with:
           php-version: ${{ matrix.php-version }}
           tools: composer:v2