diff --git a/gruntfile.js b/gruntfile.js
index 9a1af0337..de43d4d6d 100644
--- a/gruntfile.js
+++ b/gruntfile.js
@@ -103,7 +103,7 @@
 
   gruntCfg.nwjs = {
     options: {
-      version: '0.35.5',
+      version: '0.21.6',
       flavor: 'normal',
       zip: false,
       buildDir: 'dist/',