diff --git a/.github/workflows/claude-code-architectural-audit.yml b/.github/workflows/claude-code-architectural-audit.yml
index 25ac236..804ea4d 100644
--- a/.github/workflows/claude-code-architectural-audit.yml
+++ b/.github/workflows/claude-code-architectural-audit.yml
@@ -32,7 +32,7 @@ jobs:
         python-version: ${{ env.PYTHON_VERSION }}
 
     - name: Setup Node.js (for Claude Code CLI)
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: '18'