diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 745722e..c512e2f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt
@@ -26,7 +26,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
@@ -41,7 +41,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Cache Cargo registry, git and target
         uses: actions/cache@v4
         with:
@@ -94,7 +94,7 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: rustsec/audit-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -105,7 +105,7 @@ jobs:
     env:
       RUSTFLAGS: "-C target-feature=+aes,+sse2"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Cache Cargo registry, git and target
         uses: actions/cache@v4
         with:
@@ -146,7 +146,7 @@ jobs:
     name: Docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
       - run: cargo doc --no-deps --all-features