diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9373fea..b1f6ead 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -42,7 +42,7 @@ jobs:
       checks: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -58,7 +58,7 @@ jobs:
     name: doc
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Rust nightly
         uses: dtolnay/rust-toolchain@nightly
       - name: Run cargo doc
@@ -79,7 +79,7 @@ jobs:
       #   if: runner.os == 'Windows'
       # - run: vcpkg install openssl:x64-windows-static-md
       #   if: runner.os == 'Windows'
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
       # enable this ci template to run regardless of whether the lockfile is checked in or not