diff --git a/.github/workflows/claude-full-security-scan.yml b/.github/workflows/claude-full-security-scan.yml
index b569b192..0d1b99ee 100644
--- a/.github/workflows/claude-full-security-scan.yml
+++ b/.github/workflows/claude-full-security-scan.yml
@@ -69,6 +69,7 @@ jobs:
       - name: Run Claude full codebase security scan
         id: claude_scan
         uses: anthropics/claude-code-action@v1
+        timeout-minutes: 30
         with:
           anthropic_api_key: ${{ secrets.CLAUDE_API_KEY }}
 
@@ -94,7 +95,6 @@ jobs:
             Do not create GitHub issues.
 
           claude_args: |
-            --max-turns 20
             --allowedTools "Read,Glob,Grep,Bash(git:*),Bash(find:*),Bash(grep:*),Bash(sed:*),Bash(cat:*)"
             --model claude-opus-5