diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dbf878d..5f82d21 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: ./.github/actions/build-dist
 
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index c9b4f66..e776233 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
 
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: ./.github/actions/build-dist
 
@@ -60,7 +60,7 @@ jobs:
             skip-coverage: true
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up Python
       uses: actions/setup-python@v6
@@ -114,7 +114,7 @@ jobs:
     needs:
       - testing  # Wait for test jobs.
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0