diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c308828..b9bdd6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install CMake
       uses: jwlawson/actions-setup-cmake@v2
@@ -177,7 +177,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install clang-format
       run: |
@@ -205,7 +205,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install CMake
       uses: jwlawson/actions-setup-cmake@v2
@@ -241,7 +241,7 @@ jobs:
         sanitizer: [address, undefined, leak]
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install CMake
       uses: jwlawson/actions-setup-cmake@v2
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 148ba95..fd54a89 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install CMake
       uses: jwlawson/actions-setup-cmake@v2
diff --git a/.github/workflows/dependency-check.yml b/.github/workflows/dependency-check.yml
index bc132a8..7470180 100644
--- a/.github/workflows/dependency-check.yml
+++ b/.github/workflows/dependency-check.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install CMake
       uses: jwlawson/actions-setup-cmake@v2
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 93b4a6f..156cd24 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install dependencies
       run: |
@@ -95,7 +95,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install aspell
       run: sudo apt-get update && sudo apt-get install -y aspell aspell-en
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0a0f5c4..32718fb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Install CMake
       uses: jwlawson/actions-setup-cmake@v2
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 850e8de..eae32ef 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
@@ -58,7 +58,7 @@ jobs:
     if: github.event_name == 'pull_request'
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Dependency Review
       uses: actions/dependency-review-action@v3