diff --git a/_includes/head.html b/_includes/head.html
index 4e46078..aca67ec 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -9,20 +9,20 @@
 <link rel="shortcut icon" href="/static/img/favicon.png">
 <title>{% if page.mirrorid %} {{ page.mirrorid }} |{% elsif page.title %} {{ page.title }} |{% endif %}{% if include.cattitle %} {{ include.cattitle }} |{% endif %}{% if (page.title or include.cattitle) %}{{" "}}{% endif %}{{ site.title }}{% if site.brand %} | {{ site.brand }}{% endif %}</title>
 {% unless include.nostyle %}
-<link rel="stylesheet" href="/static/css/bootstrap.min.css">
-<link rel="stylesheet" href="/static/css/bootstrap-select.min.css">
-<link rel="stylesheet" href="/static/css/font-awesome.min.css" >
-<link rel="stylesheet" href="/static/css/style.css">
-<script src="/static/js/jquery.min.js"></script>
-<script src="/static/js/bootstrap.min.js"></script>
-<script src="/static/js/bootstrap-select.min.js"></script>
+<link rel="stylesheet" href="/static/css/bootstrap.min.css?{{ site.data['hash'] }}">
+<link rel="stylesheet" href="/static/css/bootstrap-select.min.css?{{ site.data['hash'] }}">
+<link rel="stylesheet" href="/static/css/font-awesome.min.css?{{ site.data['hash'] }}" >
+<link rel="stylesheet" href="/static/css/style.css?{{ site.data['hash'] }}">
+<script src="/static/js/jquery.min.js?{{ site.data['hash'] }}"></script>
+<script src="/static/js/bootstrap.min.js?{{ site.data['hash'] }}"></script>
+<script src="/static/js/bootstrap-select.min.js?{{ site.data['hash'] }}"></script>
 {% unless page.legacy %}
-<script src="/static/js/vue.min.js"></script>
-<script src="/static/js/timeago.min.js"></script>
+<script src="/static/js/vue.min.js?{{ site.data['hash'] }}"></script>
+<script src="/static/js/timeago.min.js?{{ site.data['hash'] }}"></script>
 {% endunless %}
-<script src="/static/js/markup.min.js"></script>
-<script src="/static/js/webfont.js"></script>
-<script src="/static/js/thuhidden.js"></script>
+<script src="/static/js/markup.min.js?{{ site.data['hash'] }}"></script>
+<script src="/static/js/webfont.js?{{ site.data['hash'] }}"></script>
+<script src="/static/js/thuhidden.js?{{ site.data['hash'] }}"></script>
 {% if page.legacy %}
 <style>
 .container {
diff --git a/_layouts/help.html b/_layouts/help.html
index 077121b..569ff79 100644
--- a/_layouts/help.html
+++ b/_layouts/help.html
@@ -52,7 +52,7 @@
 	{% include footer.html %}
 </body>
 
-<script src="/static/js/help.js"></script>
+<script src="/static/js/help.js?{{ site.data['hash'] }}"></script>
 
 </html>
 <!--
diff --git a/_layouts/index.html b/_layouts/index.html
index 434a88e..68c8259 100644
--- a/_layouts/index.html
+++ b/_layouts/index.html
@@ -209,8 +209,8 @@
 	{% raw %}
 	{% endraw %}
 	{% unless page.legacy or site.issue %}
-	<script src="/static/js/index.js"></script>
-	<script src="/static/js/browser-update.js"></script>
+	<script src="/static/js/index.js?{{ site.data['hash'] }}"></script>
+	<script src="/static/js/browser-update.js?{{ site.data['hash'] }}"></script>
 	{% endunless %}
 </html>
 <!--
diff --git a/_plugins/jekyll-git-hash.rb b/_plugins/jekyll-git-hash.rb
new file mode 100644
index 0000000..db22af0
--- /dev/null
+++ b/_plugins/jekyll-git-hash.rb
@@ -0,0 +1,21 @@
+# Jekyll plugin for generating Git hash
+#
+# Place this file in the _plugins directory and
+# use {{ site.data['hash'] }} in your Liquid templates
+#
+# Author: Yegor Bugayenko <yegor@tpc2.com>
+# Source: http://github.com/yegor256/jekyll-git-hash
+#
+# Distributed under the MIT license
+# Copyright Yegor Bugayenko, 2014
+
+module Jekyll
+  class GitHashGenerator < Generator
+    priority :high
+    safe true
+    def generate(site)
+      hash = %x( git rev-parse --short HEAD ).strip
+      site.data['hash'] = hash
+    end
+  end
+end
diff --git a/fancy-index/after.html b/fancy-index/after.html
index 710f3e2..410ee2e 100644
--- a/fancy-index/after.html
+++ b/fancy-index/after.html
@@ -13,8 +13,8 @@ permalink: /fancy-index/after.html
 	</body>
 	{% raw %}
 	{% endraw %}
-	<script src="/static/js/index.js"></script>
-	<script src="/static/js/browser-update.js"></script>
+	<script src="/static/js/index.js?{{ site.data['hash'] }}"></script>
+	<script src="/static/js/browser-update.js?{{ site.data['hash'] }}"></script>
 	{% raw %}
 	<script>
 		document.getElementById("list").setAttribute("class", "table");
diff --git a/status.html b/status.html
index f73cbb0..9f5166b 100644
--- a/status.html
+++ b/status.html
@@ -144,8 +144,8 @@ permalink: /status/
 		{% endunless %}
 	</div><!--/status -->
 	{% include footer.html %}
-	<script src="/static/js/status.js"></script>
-	<script src="/static/js/index.js"></script>
+	<script src="/static/js/status.js?{{ site.data['hash'] }}"></script>
+	<script src="/static/js/index.js?{{ site.data['hash'] }}"></script>
 </body>
 </html>
 <!--