diff --git a/tasks/protractor_runner.js b/tasks/protractor_runner.js
index c7ee1d1..16824ba 100644
--- a/tasks/protractor_runner.js
+++ b/tasks/protractor_runner.js
@@ -34,7 +34,8 @@ module.exports = function(grunt) {
       args: {},
       output: false,
       outputOptions: {},
-      webdriverManagerUpdate: false
+      webdriverManagerUpdate: false,
+      webdriverManagerUpdateArgs: []
     });
 
     // configFile is a special property which need not to be in options{} object.
@@ -182,7 +183,7 @@ module.exports = function(grunt) {
       grunt.log.writeln('webdriver-manager path: ' + webdriverManagerPath);
       grunt.util.spawn({
         cmd: opts.nodeBin,
-        args: [webdriverManagerPath, 'update'],
+        args: [webdriverManagerPath, 'update'].concat(opts.webdriverManagerUpdateArgs),
         opts: {
           stdio: 'inherit'
         }