diff --git a/lib/index.js b/lib/index.js
index dc3357d..a03eb6d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -6,11 +6,11 @@ import EventEmitter from 'events'
 // Packages
 import bytes from 'bytes'
 import chalk from 'chalk'
-import retry from 'async-retry'
-import {parse as parseIni} from 'ini'
-import {readFile} from 'fs-promise'
 import resumer from 'resumer'
+import retry from 'async-retry'
 import splitArray from 'split-array'
+import {parse as parseIni} from 'ini'
+import {readFile, stat} from 'fs-promise'
 
 // Ours
 import {npm as getNpmFiles, docker as getDockerFiles} from './get-files'
@@ -124,6 +124,25 @@ export default class Now extends EventEmitter {
         console.time('> [debug] /now/create')
       }
 
+      // Flatten the array to contain files to sync where each nested input
+      // array has a group of files with the same sha but different path
+      const files = await Promise.all(Array.prototype.concat.apply([], await Promise.all((Array.from(this._files)).map(async ([sha, {data, names}]) => {
+        return await names.map(async name => {
+          if (this._static && toRelative(name, this._path) !== 'package.json') {
+            name = this.pathInsideContent(name)
+          }
+
+          const st = await stat(name)
+
+          return {
+            sha,
+            size: data.length,
+            file: toRelative(name, this._path),
+            mode: st.mode
+          }
+        })
+      }))))
+
       const res = await this._fetch('/now/create', {
         method: 'POST',
         body: {
@@ -135,21 +154,7 @@ export default class Now extends EventEmitter {
           description,
           deploymentType,
           registryAuthToken: authToken,
-          // Flatten the array to contain files to sync where each nested input
-          // array has a group of files with the same sha but different path
-          files: Array.prototype.concat.apply([], Array.from(this._files).map(([sha, {data, names}]) => {
-            return names.map(n => {
-              if (this._static && toRelative(n, this._path) !== 'package.json') {
-                n = this.pathInsideContent(n)
-              }
-
-              return {
-                sha,
-                size: data.length,
-                file: toRelative(n, this._path)
-              }
-            })
-          })),
+          files,
           engines
         }
       })