diff --git a/pyproject.toml b/pyproject.toml
index 845939c..111d4b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "icx_reward"
-version = "0.4.0"
+version = "0.5.0"
 authors = [
     { name = "ICON Foundation", email = "foo@icon.foundation" },
 ]