diff --git a/pfhedge/version.py b/pfhedge/version.py
index 5963297e..8b301a77 100644
--- a/pfhedge/version.py
+++ b/pfhedge/version.py
@@ -1 +1 @@
-__version__ = "0.22.0"
+__version__ = "0.23.0"
diff --git a/pyproject.toml b/pyproject.toml
index a0eba0d8..b3fd36e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pfhedge"
-version = "0.22.0"
+version = "0.23.0"
 description = "Deep Hedging in PyTorch"
 authors = ["Shota Imaki <shota.imaki.0801@gmail.com>", "Masanori Hirano <masa.hirano.1996@gmail.com>"]
 license = "MIT"