diff --git a/pams/version.py b/pams/version.py
index d3ec452c..3ced3581 100644
--- a/pams/version.py
+++ b/pams/version.py
@@ -1 +1 @@
-__version__ = "0.2.0"
+__version__ = "0.2.1"
diff --git a/pyproject.toml b/pyproject.toml
index 88bfe329..6a172774 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pams"
-version = "0.2.0"
+version = "0.2.1"
 description = "PAMS: Platform for Artificial Market Simulations"
 authors = ["Masanori HIRANO <masa.hirano.1996@gmail.com>", "Ryosuke TAKATA <ryos427@yahoo.co.jp>", "Kiyoshi IZUMI"]
 license = "epl-1.0"