diff --git a/setup.py b/setup.py
index 136c8734..d274b213 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@
 
 setuptools.setup(
     name="pytablewriter",
-    version="0.21.1",
+    version="0.22.0",
     author="Tsuyoshi Hombashi",
     author_email="tsuyoshi.hombashi@gmail.com",
     url="https://github.com/thombashi/pytablewriter",