diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c349775..0c69c1d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3.5.3
+      uses: actions/checkout@v4.0.0
     - name: Build
       run: cargo build --verbose
     - name: Run tests
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9ca9423..9648fbb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4.0.0
 
       - name: Build Release version
         run: cargo build --release --verbose