diff --git a/optuna_integration/version.py b/optuna_integration/version.py
index 142e3b2b..dcbfb52f 100644
--- a/optuna_integration/version.py
+++ b/optuna_integration/version.py
@@ -1 +1 @@
-__version__ = "3.5.0.dev"
+__version__ = "3.5.0"