diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e38ac41..a030a88 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index e7b7de2..4754725 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Check links in documentation
       uses: gaurav-nelson/github-action-markdown-link-check@v1
@@ -38,7 +38,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Run spell checker
       uses: streetsidesoftware/cspell-action@v5
@@ -55,7 +55,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Run markdownlint
       uses: DavidAnson/markdownlint-cli2-action@v15
@@ -72,7 +72,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Check documentation structure
       run: |
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index 7672853..ba84053 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -48,7 +48,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
     
@@ -73,7 +73,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Auto-label PR
       uses: actions/labeler@v5
@@ -110,7 +110,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     
     - name: Check for broken links
       uses: gaurav-nelson/github-action-markdown-link-check@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2ed5edd..a49dd47 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ jobs:
   build-windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
       
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -51,7 +51,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
       
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -91,7 +91,7 @@ jobs:
   build-macos:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
       
       - name: Set up Python
         uses: actions/setup-python@v4
@@ -132,7 +132,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-windows, build-linux, build-macos]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
         with:
           token: ${{ secrets.GITHUB_TOKEN }}