diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e55a239..fa081d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
         config: [Debug, Release]
         os: [ ubuntu-22.04, ubuntu-24.04, windows-latest, macos-latest ]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python 3.8
         if: matrix.os != 'macos-latest'
         uses: actions/setup-python@v6
@@ -51,7 +51,7 @@ jobs:
     env:
       CMAKE_GENERATOR: Ninja
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ilammy/msvc-dev-cmd@v1
         with:
           arch: amd64_arm64
@@ -67,7 +67,7 @@ jobs:
       matrix:
         abi: [ armeabi-v7a, arm64-v8a ]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.8'
@@ -90,7 +90,7 @@ jobs:
   reuse:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: REUSE Compliance Check
       uses: fsfe/reuse-action@v6
 
@@ -99,7 +99,7 @@ jobs:
     needs: generate_source
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.10'
@@ -111,7 +111,7 @@ jobs:
   generate_source:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.10'
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 5692896..baadc8a 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -26,7 +26,7 @@ jobs:
           - 'src'
           - 'tests'
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: clang-format version
       run: clang-format --version
     - name: Run clang-format