diff --git a/.github/workflows/acr_docker_image.yml b/.github/workflows/acr_docker_image.yml
index 0447dd5..c84ad81 100644
--- a/.github/workflows/acr_docker_image.yml
+++ b/.github/workflows/acr_docker_image.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Log into ACR
       uses: docker/login-action@v2
diff --git a/.github/workflows/python-linting.yml b/.github/workflows/python-linting.yml
index 465726b..f529207 100644
--- a/.github/workflows/python-linting.yml
+++ b/.github/workflows/python-linting.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.9
       uses: actions/setup-python@v3
       with: