diff --git a/www/common.inc b/www/common.inc
index 4e5a2520fb..7a2b46733f 100644
--- a/www/common.inc
+++ b/www/common.inc
@@ -94,7 +94,7 @@ if (array_key_exists('HTTP_USER_AGENT', $_SERVER) &&
 }
 
 // constants
-define('VER_WEBPAGETEST', '20.01');   // webpagetest version
+define('VER_WEBPAGETEST', '20.05');   // webpagetest version
 define('VER_CSS', 74);                // version of the sitewide css file
 define('VER_JS', 33);                 // version of the sitewide javascript file
 define('VER_JS_TEST', 42);            // version of the javascript specific to the test pages