diff --git a/build.gradle b/build.gradle
index a669577..ec36716 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ repositories {
 }
 
 group = "org.embulk"
-version = "0.5.0-SNAPSHOT"
+version = "0.5.1-SNAPSHOT"
 description = "Reads files stored on Google Cloud Storage."
 
 configurations {