diff --git a/optuna_distributed/__init__.py b/optuna_distributed/__init__.py
index 129169a..915a828 100644
--- a/optuna_distributed/__init__.py
+++ b/optuna_distributed/__init__.py
@@ -15,5 +15,5 @@ def _setup_logger() -> None:
 
 
 _setup_logger()
-__version__ = "0.2.0"
+__version__ = "0.3.0"
 __all__ = ["from_study"]