diff --git a/package.json b/package.json
index 695acb3e..5d50de79 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pileup",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "JavaScript track viewer",
   "keywords": [
     "genome",