diff --git a/content/vimperator.xul b/content/vimperator.xul
index c8679458..36e8d595 100644
--- a/content/vimperator.xul
+++ b/content/vimperator.xul
@@ -37,23 +37,23 @@ the terms of any one of the MPL, the GPL or the LGPL.
     xmlns:html="http://www.w3.org/1999/xhtml"
     xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
-    <script type="application/x-javascript;version=1.7" src="vimperator.js"/>
-    <script type="application/x-javascript;version=1.7" src="bookmarks.js"/>
-    <script type="application/x-javascript;version=1.7" src="buffers.js"/>
-    <script type="application/x-javascript;version=1.7" src="commands.js"/>
-    <script type="application/x-javascript;version=1.7" src="completion.js"/>
-    <script type="application/x-javascript;version=1.7" src="editor.js"/>
-    <script type="application/x-javascript;version=1.7" src="events.js"/>
-    <script type="application/x-javascript;version=1.7" src="find.js"/>
-    <script type="application/x-javascript;version=1.7" src="help.js"/>
-    <script type="application/x-javascript;version=1.7" src="hints.js"/>
-    <script type="application/x-javascript;version=1.7" src="io.js"/>
-    <script type="application/x-javascript;version=1.7" src="mappings.js"/>
-    <script type="application/x-javascript;version=1.7" src="modes.js"/>
-    <script type="application/x-javascript;version=1.7" src="options.js"/>
-    <script type="application/x-javascript;version=1.7" src="tabs.js"/>
-    <script type="application/x-javascript;version=1.7" src="ui.js"/>
-    <script type="application/x-javascript;version=1.7" src="util.js"/>
+    <script type="application/x-javascript;version=1.8" src="vimperator.js"/>
+    <script type="application/x-javascript;version=1.8" src="bookmarks.js"/>
+    <script type="application/x-javascript;version=1.8" src="buffers.js"/>
+    <script type="application/x-javascript;version=1.8" src="commands.js"/>
+    <script type="application/x-javascript;version=1.8" src="completion.js"/>
+    <script type="application/x-javascript;version=1.8" src="editor.js"/>
+    <script type="application/x-javascript;version=1.8" src="events.js"/>
+    <script type="application/x-javascript;version=1.8" src="find.js"/>
+    <script type="application/x-javascript;version=1.8" src="help.js"/>
+    <script type="application/x-javascript;version=1.8" src="hints.js"/>
+    <script type="application/x-javascript;version=1.8" src="io.js"/>
+    <script type="application/x-javascript;version=1.8" src="mappings.js"/>
+    <script type="application/x-javascript;version=1.8" src="modes.js"/>
+    <script type="application/x-javascript;version=1.8" src="options.js"/>
+    <script type="application/x-javascript;version=1.8" src="tabs.js"/>
+    <script type="application/x-javascript;version=1.8" src="ui.js"/>
+    <script type="application/x-javascript;version=1.8" src="util.js"/>
 
     <window id="main-window">