diff --git a/package.json b/package.json
index cb1b1d8..20e6955 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "start": "node ./app.js",
     "debug": "cross-env NODE_ENV=dev npx nodemon --inspect ./app.js",
     "test": "cross-env NODE_ENV=test jest",
-    "heroku-postbuild": "cd react && npm i && npm run build"
+    "postinstall": "cd react && npm install && npm run build"
   },
   "author": "",
   "dependencies": {
diff --git a/react/package-lock.json b/react/package-lock.json
index 464f203..73d2814 100644
--- a/react/package-lock.json
+++ b/react/package-lock.json
@@ -4020,7 +4020,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4385,7 +4386,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4433,6 +4435,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4471,11 +4474,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },