diff --git a/build.gradle b/build.gradle
index 07315fa..0d5f820 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ repositories {
 }
 
 group = "org.embulk"
-version = "0.4.2-SNAPSHOT"
+version = "0.5.0-SNAPSHOT"
 description = "Embulk configuration processor for Embulk plugins"
 
 configurations {