diff --git a/claude/Dockerfile b/claude/Dockerfile
index cd9cce4..11aef62 100644
--- a/claude/Dockerfile
+++ b/claude/Dockerfile
@@ -2,7 +2,7 @@ FROM node:20-alpine
 
 # Upgrade npm to pull in patched bundled deps (cross-spawn, glob, minimatch, tar)
 # CVEs: CVE-2024-21538, CVE-2025-64756, CVE-2026-26996/27903/27904, CVE-2026-23745/23950/24842/26960/29786/31802
-RUN npm install -g npm@latest
+RUN npm install -g npm@11.12.1
 
 # Install runtime dependencies
 RUN apk add --no-cache \