diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index be4f45c..2414431 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: true
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 60819b5..5389057 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: deps
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 99a727a..dca02d3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       contents: write
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: create release
       uses: softprops/action-gh-release@v2
       if: startsWith(github.ref, 'refs/tags/')
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9cdebda..992dcb6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,7 +19,7 @@ jobs:
          - { flag: "0", repr: "static" }
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: lukka/get-cmake@latest
 
@@ -58,7 +58,7 @@ jobs:
          - { flag: "0", repr: "static" }
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: lukka/get-cmake@latest
 
@@ -94,7 +94,7 @@ jobs:
     env:
       VCPKG_DEFAULT_TRIPLET: ${{ matrix.build-arch.triplet }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: lukka/get-cmake@latest