diff --git a/d3rlpy/_version.py b/d3rlpy/_version.py
index 8a124bf6..55e47090 100644
--- a/d3rlpy/_version.py
+++ b/d3rlpy/_version.py
@@ -1 +1 @@
-__version__ = "2.2.0"
+__version__ = "2.3.0"