diff --git a/optuna_dashboard/version.py b/optuna_dashboard/version.py
index 3ced3581..b5fdc753 100644
--- a/optuna_dashboard/version.py
+++ b/optuna_dashboard/version.py
@@ -1 +1 @@
-__version__ = "0.2.1"
+__version__ = "0.2.2"