diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 10d81d5..2d7c625 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # fetch all tags and branches
       - name: Setup CI
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 9e2d073..d687495 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -34,7 +34,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # fetch all tags and branches
       - name: Setup CI
@@ -46,7 +46,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # fetch all tags and branches
       - name: Setup CI