diff --git a/.github/workflows/continuous_delivery.yml b/.github/workflows/continuous_delivery.yml
index 823932a..5e37cb1 100644
--- a/.github/workflows/continuous_delivery.yml
+++ b/.github/workflows/continuous_delivery.yml
@@ -12,7 +12,7 @@ jobs:
     name: Deploy to GitHub Pages
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version-file: .node-version
diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 07ffe4e..5a0882b 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -12,7 +12,7 @@ jobs:
     name: Test deployment
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version-file: .node-version