bump version number
diff --git a/bower.json b/bower.json
index f80fe97..871ab42 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "thrift",
-  "version": "0.21.0",
+  "version": "0.22.0",
   "homepage": "https://github.com/apache/thrift.git",
   "authors": [
     "Apache Thrift <dev@thrift.apache.org>"