diff --git a/.github/workflows/cerber-verification.yml b/.github/workflows/cerber-verification.yml
index 0b231db..32a33a4 100644
--- a/.github/workflows/cerber-verification.yml
+++ b/.github/workflows/cerber-verification.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -44,7 +44,7 @@ jobs:
     needs: lint_and_typecheck
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -68,7 +68,7 @@ jobs:
       tarball: ${{ steps.pack.outputs.tarball }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -380,7 +380,7 @@ jobs:
     needs: ci_summary
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node
         uses: actions/setup-node@v4
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6366627..8a8258a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
@@ -69,7 +69,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -98,7 +98,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -142,7 +142,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -229,7 +229,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 21f5ee2..e1a424c 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@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 81e055a..0b0d71b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -22,7 +22,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.inputs.tag || github.ref }}
       
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7633043..32d9b3e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 8210a47..d862aac 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -16,7 +16,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -54,7 +54,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
@@ -68,7 +68,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -99,7 +99,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/test-comprehensive.yml b/.github/workflows/test-comprehensive.yml
index f72b522..462b248 100644
--- a/.github/workflows/test-comprehensive.yml
+++ b/.github/workflows/test-comprehensive.yml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -38,7 +38,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -57,7 +57,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -76,7 +76,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -95,7 +95,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -115,7 +115,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -137,7 +137,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -156,7 +156,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       
@@ -175,7 +175,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@v4.1.0
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false