diff --git a/optuna_dashboard/version.py b/optuna_dashboard/version.py
index 493f7415..260c070a 100644
--- a/optuna_dashboard/version.py
+++ b/optuna_dashboard/version.py
@@ -1 +1 @@
-__version__ = "0.3.0"
+__version__ = "0.3.1"