diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
index 272ee07..eaa2a5f 100644
--- a/.github/workflows/verify.yml
+++ b/.github/workflows/verify.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3