diff --git a/package.json b/package.json
index 60aeca0d..3edb63ec 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "dev": "nodemon --exec \"yarn build:server && yarn build:i18n && node --inspect=0.0.0.0 build/server/index.js\" -e js --ignore build/ --ignore app/ --ignore flow-typed/",
     "lint": "eslint app server shared",
     "deploy": "git push heroku master",
-    "postinstall": "yarn yarn-deduplicate yarn.lock",
+    "prepare": "yarn yarn-deduplicate yarn.lock",
     "heroku-postbuild": "yarn build && yarn db:migrate",
     "sequelize:migrate": "sequelize db:migrate",
     "db:create-migration": "sequelize migration:create",