diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 3ebbf55..22cdd28 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -17,6 +17,6 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Codespell
         uses: codespell-project/actions-codespell@v2
diff --git a/.github/workflows/deploy_pypi.yml b/.github/workflows/deploy_pypi.yml
index 3edc5ae..b76c98a 100644
--- a/.github/workflows/deploy_pypi.yml
+++ b/.github/workflows/deploy_pypi.yml
@@ -14,7 +14,7 @@ jobs:
   deploy-pypi:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v2
 
     - name: Get versions
diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 3ef0bca..5bf18d0 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -15,7 +15,7 @@ jobs:
       max-parallel: 5
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v2
       with: