diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7aa4c79..635fe13 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
         node-version: [14.x, 16.x, 18.x]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 25d30fe..0f07156 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
         with:
           fetch-depth: 0
       - name: Setup Node.js