diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6a004dd..14feaf0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -63,7 +63,7 @@ jobs:
               run: cd docs && make html
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Python environment
         uses: ./.github/actions/setup-venv
@@ -107,7 +107,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/pr_checks.yml b/.github/workflows/pr_checks.yml
index 93af9ae..f931b6e 100644
--- a/.github/workflows/pr_checks.yml
+++ b/.github/workflows/pr_checks.yml
@@ -18,7 +18,7 @@ jobs:
     if: github.event_name == 'pull_request'
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0