diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbfba16..9c70007 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
   rust:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: hecrj/setup-rust-action@v2
       - run: cargo test
 
@@ -50,7 +50,7 @@ jobs:
   sdist_verify:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index eac9ddb..00cc92c 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -11,7 +11,7 @@ jobs:
   run:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: 3.x
diff --git a/.github/workflows/sub_package_update.yml b/.github/workflows/sub_package_update.yml
index 71bf5b9..60649ec 100644
--- a/.github/workflows/sub_package_update.yml
+++ b/.github/workflows/sub_package_update.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: true
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with: