diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 68c5ad7..6cd4c0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         timeout-minutes: 2
       - name: Show toolchain
         timeout-minutes: 1
diff --git a/.github/workflows/deploy-pages.yml b/.github/workflows/deploy-pages.yml
index e94dc9b..33f423f 100644
--- a/.github/workflows/deploy-pages.yml
+++ b/.github/workflows/deploy-pages.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Pages
         uses: actions/configure-pages@v5
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index afb52ee..f113598 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: macos-14
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         timeout-minutes: 2
         with:
           ref: ${{ inputs.tag || github.ref }}
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 70e4225..ea87449 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         timeout-minutes: 2
       - uses: github/codeql-action/init@v4
         timeout-minutes: 5