diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 03b9179..4aa3e64 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -20,7 +20,7 @@ jobs:
         go-version: 1.21
 
     - name: Git checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       with:
         fetch-depth: '0'
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b305046..ad50ee4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
         goarch: [amd64,arm64]
     steps:
       - name: Git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: '0'