diff --git a/package-lock.json b/package-lock.json
index 7f9a297..1437a6b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1790,7 +1790,7 @@
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
       "dev": true,
       "requires": {
-        "es5-ext": "0.10.28"
+        "es5-ext": "0.10.29"
       }
     },
     "dashdash": {
@@ -2268,9 +2268,9 @@
       }
     },
     "es5-ext": {
-      "version": "0.10.28",
-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.28.tgz",
-      "integrity": "sha512-W5o3ZcomB9I2g68pP7SufeJFtj7nQ1FDSdRgEJo5pyER+GcsibTkcUIfC1PXK70fWTV4RbskMBKDQP15FCpGRw==",
+      "version": "0.10.29",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.29.tgz",
+      "integrity": "sha512-KXla9NXo5sdaEkGSmbFPYgjH6m75kxsthL6GDRSug/Y2OiMoYm0I9giL39j4cgmaFmAbkIFJ6gG+SGKnLSmOvA==",
       "dev": true,
       "requires": {
         "es6-iterator": "2.0.1",
@@ -2284,7 +2284,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.28",
+        "es5-ext": "0.10.29",
         "es6-symbol": "3.1.1"
       }
     },
@@ -2295,7 +2295,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.28",
+        "es5-ext": "0.10.29",
         "es6-iterator": "2.0.1",
         "es6-set": "0.1.5",
         "es6-symbol": "3.1.1",
@@ -2309,7 +2309,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.28",
+        "es5-ext": "0.10.29",
         "es6-iterator": "2.0.1",
         "es6-symbol": "3.1.1",
         "event-emitter": "0.3.5"
@@ -2322,7 +2322,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.28"
+        "es5-ext": "0.10.29"
       }
     },
     "es6-weak-map": {
@@ -2332,7 +2332,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.28",
+        "es5-ext": "0.10.29",
         "es6-iterator": "2.0.1",
         "es6-symbol": "3.1.1"
       }
@@ -2542,7 +2542,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.28"
+        "es5-ext": "0.10.29"
       }
     },
     "events": {
diff --git a/package.json b/package.json
index f4f3126..6f9f3af 100644
--- a/package.json
+++ b/package.json
@@ -6,12 +6,12 @@
   "repository": "zeit/now",
   "scripts": {
     "test": "eslint .",
-    "prepublish": "in-install || (npm run prepare && cp /dev/null download/dist/now)",
+    "prepublishOnly": "npm run build-download && cp /dev/null download/dist/now",
     "dev": "webpack -w",
     "precommit": "lint-staged",
     "postinstall": "node download/install.js",
     "pack": "webpack && pkg dist/now.js -c package.json -o packed/now",
-    "prepare": "webpack --context download --config download/webpack.config.js",
+    "build-download": "webpack --context download --config download/webpack.config.js",
     "link": "webpack && cd link && npm link"
   },
   "lint-staged": {
@@ -110,7 +110,6 @@
     "fs-extra-promise": "1.0.1",
     "glob": "7.1.2",
     "ignore": "3.3.3",
-    "in-publish": "2.0.0",
     "ini": "1.3.4",
     "inquirer": "3.2.2",
     "is-url": "1.2.2",