diff --git a/project.clj b/project.clj
index 92ddb46..ca5adfc 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject clj-hgvs "0.5.0"
+(defproject clj-hgvs "0.5.1-SNAPSHOT"
   :description "Clojure(Script) library for handling HGVS"
   :url "https://github.com/chrovis/clj-hgvs"
   :license {:name "Apache License, Version 2.0"