diff --git a/.github/workflows/analysis.yml b/.github/workflows/analysis.yml
index f2be7fa..4f7f4a0 100644
--- a/.github/workflows/analysis.yml
+++ b/.github/workflows/analysis.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - name: Install PHP with extensions
         uses: shivammathur/setup-php@v2