diff --git a/.github/workflows/testing-and-deployment.yml b/.github/workflows/testing-and-deployment.yml
index b600ea8..c330d67 100644
--- a/.github/workflows/testing-and-deployment.yml
+++ b/.github/workflows/testing-and-deployment.yml
@@ -19,7 +19,7 @@ jobs:
       WEAKKEEPAKEY: ${{ secrets.WEAKKEEPAKEY }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4