diff --git a/.github/workflows/cackle.yml b/.github/workflows/cackle.yml
index cfc661a..4e477da 100644
--- a/.github/workflows/cackle.yml
+++ b/.github/workflows/cackle.yml
@@ -11,7 +11,7 @@ jobs:
     name: cackle check and test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - uses: cackle-rs/cackle-action@latest
       - name: Install libpam-dev
diff --git a/.github/workflows/devskim.yml b/.github/workflows/devskim.yml
index 7b65935..562bf2a 100644
--- a/.github/workflows/devskim.yml
+++ b/.github/workflows/devskim.yml
@@ -18,7 +18,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run DevSkim scanner
         uses: microsoft/DevSkim-Action@v1
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 64bc39f..d163b7c 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -13,6 +13,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build the Docker image
       run: docker build . --file Containerfile --tag pam-auth-test:$(date +%s)
diff --git a/.github/workflows/rust-clippy.yml b/.github/workflows/rust-clippy.yml
index 6824509..e6dffdf 100644
--- a/.github/workflows/rust-clippy.yml
+++ b/.github/workflows/rust-clippy.yml
@@ -17,7 +17,7 @@ jobs:
       actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af #@v1