diff --git a/package.json b/package.json
index 0a93b22f..3f48737c 100644
--- a/package.json
+++ b/package.json
@@ -103,7 +103,8 @@
     "legacy:help": "cp json/help.json legacy/json/",
     "rm:server": "rimraf server_ legacy",
     "rm:client": "rimraf dist dist-dev",
-    "heroku-postbuild": "redrun 6to5:client -- --progress && npm i gritty"
+    "heroku-postbuild": "redrun 6to5:client",
+    "postheroku-postbuild": "npm i gritty"
   },
   "directories": {
     "man": "man"
@@ -201,4 +202,4 @@
   },
   "license": "MIT",
   "main": "legacy/server/cloudcmd.js"
-}
\ No newline at end of file
+}