From afa2bb246bfabda139241037c889a323383e7ac5 Mon Sep 17 00:00:00 2001
From: Peter Bacon Darwin <pete@bacondarwin.com>
Date: Tue, 10 Oct 2017 12:54:59 +0100
Subject: [PATCH] build(aio): freeze lockfile when setting up examples (#19616)

PR Close #19616
---
 aio/package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aio/package.json b/aio/package.json
index f13fcc711f..ae9be2772d 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -19,7 +19,7 @@
     "test": "yarn check-env && ng test",
     "pree2e": "yarn check-env && yarn ~~update-webdriver",
     "e2e": "ng e2e --no-webdriver-update",
-    "presetup": "yarn install && yarn ~~check-env && yarn boilerplate:remove",
+    "presetup": "yarn install --freeze-lockfile && yarn ~~check-env && yarn boilerplate:remove",
     "setup": "yarn aio-use-npm && yarn example-use-npm",
     "postsetup": "yarn boilerplate:add && yarn build-ie-polyfills && yarn generate-plunkers && yarn generate-zips && yarn docs",
     "presetup-local": "yarn presetup",