diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2647e9c..1a250c9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.3
 
       - name: Set up Node.js
         uses: actions/setup-node@v6