diff --git a/LICENSE b/LICENSE
index 747c8b4..8bb697c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2015-2020 by Onni Software Ltd. and its contributors
+Copyright (c) 2015-2022 by Onni Software Ltd. and its contributors
 All rights reserved.
 
 Redistribution and use in source and binary forms of the software as well
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f4d2ba0..51c3e67 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -23,12 +23,12 @@ DESCRIPTION = (
 # -- Project information -----------------------------------------------------
 
 project = 'pyexcel-io'
-copyright = '2015-2020 Onni Software Ltd.'
+copyright = '2015-2022 Onni Software Ltd.'
 author = 'C.W.'
 # The short X.Y version
 version = '0.6.5'
 # The full version, including alpha/beta/rc tags
-release = '0.6.5'
+release = '0.6.6'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/docs/source/index.rst b/docs/source/index.rst
index baf6fd9..ac12734 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -10,6 +10,7 @@
 :Source code: http://github.com/pyexcel/pyexcel-io.git
 :Issues: http://github.com/pyexcel/pyexcel-io/issues
 :License: New BSD License
+:Development: |release|
 :Released: |version|
 :Generated: |today|
 
diff --git a/setup.py b/setup.py
index ba6cd9e..90e27da 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ except (ValueError, UnicodeError, locale.Error):
 
 NAME = "pyexcel-io"
 AUTHOR = "C.W."
-VERSION = "0.6.5"
+VERSION = "0.6.6"
 EMAIL = "info@pyexcel.org"
 LICENSE = "New BSD"
 DESCRIPTION = (
@@ -40,7 +40,7 @@ DESCRIPTION = (
     "format and to/from databases"
 )
 URL = "https://github.com/pyexcel/pyexcel-io"
-DOWNLOAD_URL = "%s/archive/0.6.5.tar.gz" % URL
+DOWNLOAD_URL = "%s/archive/0.6.6.tar.gz" % URL
 FILES = ["README.rst", "CHANGELOG.rst"]
 KEYWORDS = [
     "python",
@@ -87,8 +87,8 @@ EXTRAS_REQUIRE = {
 PUBLISH_COMMAND = "{0} setup.py sdist bdist_wheel upload -r pypi".format(sys.executable)
 HERE = os.path.abspath(os.path.dirname(__file__))
 
-GS_COMMAND = ("gease pyexcel-io v0.6.5 " +
-              "Find 0.6.5 in changelog for more details")
+GS_COMMAND = ("gease pyexcel-io v0.6.6 " +
+              "Find 0.6.6 in changelog for more details")
 NO_GS_MESSAGE = ("Automatic github release is disabled. " +
                  "Please install gease to enable it.")
 UPLOAD_FAILED_MSG = (