diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index fa4cdbb52..99749e4d1 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3.6.0
+    - uses: actions/checkout@v4.0.0
     - name: Set up Python
       uses: actions/setup-python@v4.7.0
       with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d1bbeba41..a7e30d9e3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3.6.0
+      - uses: actions/checkout@v4.0.0
       - name: Set up Python 3.8
         uses: actions/setup-python@v4.7.0
         with: