diff --git a/pams/version.py b/pams/version.py
index 3dc1f76b..485f44ac 100644
--- a/pams/version.py
+++ b/pams/version.py
@@ -1 +1 @@
-__version__ = "0.1.0"
+__version__ = "0.1.1"
diff --git a/pyproject.toml b/pyproject.toml
index d09b2f89..c6908f1d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pams"
-version = "0.1.0"
+version = "0.1.1"
 description = "PAMS: Platform for Artificial Market Simulations"
 authors = ["Masanori HIRANO <masa.hirano.1996@gmail.com>"]
 license = "MIT"