diff --git a/package.json b/package.json
index 41ce477..479736e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "nroonga",
   "description": "A library for building groonga powered nodes",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "author": "Yoji Shidara <dara@shidara.net>",
   "keywords": ["groonga", "fulltext", "search", "database"],
   "homepage": "http://nroonga.github.com/",