diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2a8d023..7e06c2c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2