diff --git a/src/nusoap.php b/src/nusoap.php
index d0a3e61..11f2c89 100644
--- a/src/nusoap.php
+++ b/src/nusoap.php
@@ -98,7 +98,7 @@ class nusoap_base
      * @var string
      * @access private
      */
-    var $version = '0.9.11';
+    var $version = '0.9.17';
     /**
      * CVS revision for HTTP headers.
      *