diff --git a/Dockerfile b/Dockerfile
index 530c92a..89f40fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 FROM node:22.22.3-alpine AS base
-RUN corepack enable && corepack prepare pnpm@latest --activate
+RUN corepack enable && corepack prepare pnpm@11 --activate
 
 # ── deps ──────────────────────────────────────────────────────────────────────
 FROM base AS deps
diff --git a/package.json b/package.json
index 1756982..4a3f043 100644
--- a/package.json
+++ b/package.json
@@ -14,12 +14,8 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "devEngines": {
-    "packageManager": {
-      "name": "pnpm",
-      "version": "^11.4.0",
-      "onFail": "download"
-    }
+  "engines": {
+    "pnpm": ">=11.4.0 <12"
   },
   "type": "module",
   "dependencies": {