diff --git a/LICENSE b/LICENCE
similarity index 74%
rename from LICENSE
rename to LICENCE
index af4c9fd6..b0b4be56 100644
--- a/LICENSE
+++ b/LICENCE
@@ -6,16 +6,22 @@ for their respective work, and release the work under the MIT licence
 Exceptions or notable authors are listed below
 in reverse chronological order:
 
-* [CC-BY-SA-4.0] 2015-2016 Casper da Costa-Luis
-  [casperdcl](https://github.com/casperdcl)
-* MIT 2016 [PR #96] Google Inc.
+* MPLv2.0 (text below) 2015-2016 (c) Casper da Costa-Luis
+  [casperdcl](https://github.com/casperdcl).
+* MIT 2016 (c) [PR #96] on behalf of Google Inc.
 
-  [CC-BY-SA-4.0]: http://creativecommons.org/licenses/by-sa/4.0/
   [PR #96]: https://github.com/tqdm/tqdm/pull/96
 
 
-The MIT License (MIT)
----------------------
+Mozilla Public Licence (MPL) v. 2.0 - Exhibit A
+-----------------------------------------------
+
+This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
+If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+
+MIT License (MIT)
+-----------------
 
 Copyright (c) 2013 noamraph
 
diff --git a/README.rst b/README.rst
index d0eb90e1..58b2618d 100644
--- a/README.rst
+++ b/README.rst
@@ -549,7 +549,7 @@ file for more information.
 License
 -------
 
-Mostly `CC, MIT licence <https://raw.githubusercontent.com/tqdm/tqdm/master/LICENSE>`__.
+Multiple licences, mostly `MPLv2.0, MIT licences <https://raw.githubusercontent.com/tqdm/tqdm/master/LICENCE>`__.
 
 
 Authors
diff --git a/tqdm/_version.py b/tqdm/_version.py
index 393cac67..ea2327d8 100644
--- a/tqdm/_version.py
+++ b/tqdm/_version.py
@@ -1,5 +1,5 @@
 # Definition of the version number
-version_info = 4, 1, 0  # major, minor, patch, -extra
+version_info = 4, 2, 0  # major, minor, patch, -extra
 
 # Nice string for the version
 __version__ = '.'.join(map(str, version_info)).replace('.-', '-').strip('.-')