diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 89bdde4..4eb5438 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       with:
         fetch-depth: '0'
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ec5d98f..9143c9d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
       with:
         fetch-depth: '0'