diff --git a/ghu.js b/ghu.js
index d92aa134..b79f65d0 100644
--- a/ghu.js
+++ b/ghu.js
@@ -1,7 +1,7 @@
 const {resolve, join} = require('path');
 const {
-    default: ghu,
-    autoprefixer, cssmin, ife, includeit, jade, jszip,
+    ghu,
+    autoprefixer, cssmin, each, ife, includeit, jade, jszip,
     less, mapfn, newerThan, read, remove, run, uglify, watch, wrap, write
 } = require('ghu');
 
@@ -88,6 +88,11 @@ ghu.task('build:copy', runtime => {
 
         read(`${SRC}: **, ! **/*.js, ! **/*.less, ! **/*.jade, ! **/conf/*.json`)
             .then(newerThan(mapper))
+            .then(each(obj => {
+                if (/index\.php$/.test(obj.source)) {
+                    obj.content = obj.content.replace('{{VERSION}}', runtime.pkg.version);
+                }
+            }))
             .then(write(mapper, {overwrite: true, cluster: true})),
 
         read(`${ROOT}/*.md`)
diff --git a/package.json b/package.json
index 87ac06a3..de5f6789 100644
--- a/package.json
+++ b/package.json
@@ -16,11 +16,11 @@
     "build": "npm run -s ghu release"
   },
   "devDependencies": {
-    "babel-core": "6.3.17",
+    "babel-core": "6.3.21",
     "babel-eslint": "5.0.0-beta6",
     "babel-preset-es2015": "6.3.13",
     "eslint": "1.10.3",
-    "ghu": "0.2.2"
+    "ghu": "0.4.0"
   },
   "engines": {
     "node": ">=5.0.0"
diff --git a/src/_h5ai/private/php/core/class-setup.php b/src/_h5ai/private/php/core/class-setup.php
index 3ccc1c13..8743dee9 100644
--- a/src/_h5ai/private/php/core/class-setup.php
+++ b/src/_h5ai/private/php/core/class-setup.php
@@ -75,7 +75,7 @@ class Setup {
     private function add_app_metadata() {
 
         $this->set('NAME', 'h5ai');
-        $this->set('VERSION', '{{pkg.version}}');
+        $this->set('VERSION', H5AI_VERSION);
         $this->set('FILE_PREFIX', '_h5ai');
     }
 
diff --git a/src/_h5ai/public/index.php b/src/_h5ai/public/index.php
index 493b0350..5ba4cf72 100644
--- a/src/_h5ai/public/index.php
+++ b/src/_h5ai/public/index.php
@@ -1,6 +1,7 @@
 <?php
 
-define('MIN_PHP_VERSION', '5.4.0');
+define('H5AI_VERSION', '{{VERSION}}');
+define('MIN_PHP_VERSION', '5.5.0');
 
 if (!function_exists('version_compare') || version_compare(PHP_VERSION, MIN_PHP_VERSION, '<')) {
     header('Content-type: text/plain;charset=utf-8');