diff --git a/pom.xml b/pom.xml
index 893f98b..44f4be3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>edu.phema</groupId>
     <artifactId>phema-elm-to-ohdsi</artifactId>
-    <version>0.4.0</version>
+    <version>0.4.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>phema-elm-to-ohdsi</name>