diff --git a/build.sbt b/build.sbt
index b9885f47cf9..6793641211d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,5 @@
 name         := "Waterdrop"
-version      := "1.1.4"
+version      := "1.1.5"
 organization := "io.github.interestinglab.waterdrop"
 
 scalaVersion := "2.11.8"