diff --git a/tabledata/__version__.py b/tabledata/__version__.py
index 5d2706f..ec9749d 100644
--- a/tabledata/__version__.py
+++ b/tabledata/__version__.py
@@ -1,6 +1,6 @@
 __author__ = "Tsuyoshi Hombashi"
 __copyright__ = f"Copyright 2017, {__author__}"
 __license__ = "MIT License"
-__version__ = "1.1.4"
+__version__ = "1.2.0"
 __maintainer__ = __author__
 __email__ = "tsuyoshi.hombashi@gmail.com"