diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b67a90..c5bcf4e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Install Rust MSRV
         uses: dtolnay/rust-toolchain@stable
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust nightly
         uses: dtolnay/rust-toolchain@nightly
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
@@ -87,7 +87,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust ${{ matrix.rust }}
         uses: dtolnay/rust-toolchain@master
@@ -114,7 +114,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
@@ -136,7 +136,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust nightly
         uses: dtolnay/rust-toolchain@nightly
@@ -163,13 +163,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
 
       - name: Security audit
-        uses: rustsec/audit-check@v1.4.1
+        uses: rustsec/audit-check@v2.0.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
@@ -178,7 +178,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
@@ -193,7 +193,7 @@ jobs:
         run: cargo cyclonedx --format json --override-filename rsdo-sbom.json
         
       - name: Upload SBOM JSON artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: rsdo-sbom-json
           path: rsdo-sbom.json
@@ -203,7 +203,7 @@ jobs:
         run: cargo cyclonedx --format xml --override-filename rsdo-sbom.xml
         
       - name: Upload SBOM XML artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: rsdo-sbom-xml
           path: rsdo-sbom.xml
@@ -214,7 +214,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
@@ -231,7 +231,7 @@ jobs:
         run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
         
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           files: lcov.info
           fail_ci_if_error: false
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d877f24..645fe26 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 17a46aa..84f9b39 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -38,7 +38,7 @@ jobs:
     
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -103,7 +103,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ needs.check-and-release.outputs.tag_name }}
 
@@ -154,7 +154,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ needs.check-and-release.outputs.tag_name }}
 
@@ -187,7 +187,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ needs.check-and-release.outputs.tag_name }}