diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9874339..5e095d9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: dtolnay/rust-toolchain@stable
         with:
@@ -57,7 +57,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - name: Run clippy
         run: cargo clippy --workspace -- -D warnings
@@ -65,7 +65,7 @@ jobs:
   audit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - name: Install cargo-audit
         run: cargo install cargo-audit
@@ -77,7 +77,7 @@ jobs:
   wasm-size:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: wasm32-unknown-unknown
@@ -102,7 +102,7 @@ jobs:
   coverage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - name: Install cargo-llvm-cov
         run: cargo install cargo-llvm-cov
@@ -118,7 +118,7 @@ jobs:
   performance:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@stable
       - name: Run Rust benchmark
         run: cargo bench --workspace -- --noplot 2>&1 | tail -20 || echo "No benchmarks configured"
@@ -143,7 +143,7 @@ jobs:
   windows-on-demand:
     runs-on: [self-hosted, Windows, X64, packer-windows]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: dtolnay/rust-toolchain@stable
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a5a5679..2fa5b8b 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4