diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 378e03f..28a6c90 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,7 +22,7 @@ jobs:
         os: [macos-latest, ubuntu-latest, windows-latest]
         python-version: [ '3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
           # we need fetch-depth 0 so setuptools_scm can resolve tags
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 005074b..75dc55b 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0