diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4262dcc..79fb0a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
@@ -27,7 +27,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Validate project structure
         run: |
           echo "Checking project structure..."
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index dced076..587c79e 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -10,7 +10,7 @@ jobs:
   bandit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
@@ -41,7 +41,7 @@ jobs:
   secret-scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Scan for secrets
         run: |
           FOUND=0