diff --git a/optuna_distributed/__init__.py b/optuna_distributed/__init__.py
index f01b1ee..e76e4ce 100644
--- a/optuna_distributed/__init__.py
+++ b/optuna_distributed/__init__.py
@@ -2,5 +2,5 @@
 from optuna_distributed.study import from_study
 
 
-__version__ = "0.6.0"
+__version__ = "0.6.1"
 __all__ = ["from_study", "config"]