diff --git a/app.json b/app.json
index f6280a62..1faa108a 100644
--- a/app.json
+++ b/app.json
@@ -1,4 +1,3 @@
-
 {
   "name": "ohmyform",
   "description": "Opensource alternative to TypeForm",
@@ -51,8 +50,5 @@
     {
       "url": "heroku/nodejs"
     }
-  ],
-  "scripts": {
-    "postdeploy": "scripts/heroku/postdeploy.sh"
-  }
+  ]
 }
diff --git a/package.json b/package.json
index 5742958c..06a9aaec 100644
--- a/package.json
+++ b/package.json
@@ -6,5 +6,9 @@
   "repository": {
     "type": "git",
     "url": "https://github.com/ohmyform/ohmyform.git"
+  },
+  "scripts": {
+    "heroku-prebuild": "scripts/heroku/prebuild.sh",
+    "heroku-postbuild": "scripts/heroku/postbuild.sh"
   }
 }
diff --git a/scripts/heroku/postdeploy.sh b/scripts/heroku/postbuild.sh
old mode 100644
new mode 100755
similarity index 52%
rename from scripts/heroku/postdeploy.sh
rename to scripts/heroku/postbuild.sh
index 9111858e..cd59f620
--- a/scripts/heroku/postdeploy.sh
+++ b/scripts/heroku/postbuild.sh
@@ -1,17 +1,11 @@
 
 cd ui/
 
-echo "Install UI"
-yarn install --frozen-lockfile
-
 echo "Build and Export UI"
 yarn export
 
 cd ../api
 
-echo "Install API"
-yarn install --frozen-lockfile
-
 echo "Copy Exported UI to API"
 cp -r ui/out public
 
@@ -20,5 +14,4 @@ yarn install
 echo "Build API"
 yarn build
 
-
-echo "FINISHED build for UI and API"
+echo "FINISHED postbuild"
diff --git a/scripts/heroku/prebuild.sh b/scripts/heroku/prebuild.sh
new file mode 100755
index 00000000..b580a8b1
--- /dev/null
+++ b/scripts/heroku/prebuild.sh
@@ -0,0 +1,12 @@
+
+cd ui/
+
+echo "Install UI"
+yarn install --frozen-lockfile
+
+cd ../api
+
+echo "Install API"
+yarn install --frozen-lockfile
+
+echo "FINISHED prebuild"