diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index ca27317..80eddf2 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Fetch Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install stable toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
@@ -49,7 +49,7 @@ jobs:
 
     steps:
       - name: Fetch Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install stable toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
@@ -72,7 +72,7 @@ jobs:
 
     steps:
       - name: Fetch Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install stable toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bccdf9b..844fb8a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [tests]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Get current date
         run: echo "RELEASE_DATE=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
       - uses: taiki-e/create-gh-release-action@v1
@@ -30,7 +30,7 @@ jobs:
     needs: create-release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install stable toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1