diff --git a/.github/workflows/code.yml b/.github/workflows/code.yml
index f8cb716..8726ce5 100644
--- a/.github/workflows/code.yml
+++ b/.github/workflows/code.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -41,7 +41,7 @@ jobs:
           - "3.14"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # required for setuptools-scm to derive version from tags
 
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 7a3b1cd..c65f474 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -15,7 +15,7 @@ jobs:
       id-token: write  # required for OIDC trusted publishing
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # required for setuptools-scm to derive version from tags