diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10b1ad9b..e55c3ba1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+* 1.5.7, 18th March 2018
+
+  - Fix author/maintainer fields in `setup.py`, avoid bug from `setuptools==39.0.0` and add workaround for `botocore` and `python==3.3`. Fix #176 (PR [#178](https://github.com/RaRe-Technologies/smart_open/pull/178) & [#177](https://github.com/RaRe-Technologies/smart_open/pull/177), [@menshikh-iv](https://github.com/menshikh-iv) & [@baldwindc](https://github.com/baldwindc))
+
 * 1.5.6, 28th December 2017
 
   - Improve S3 read performance. Fix #152 (PR [#157](https://github.com/RaRe-Technologies/smart_open/pull/157), [@mpenkov](https://github.com/mpenkov))
diff --git a/setup.py b/setup.py
index fbb8b367..1ddd1c73 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def read(fname):
 
 setup(
     name='smart_open',
-    version='1.5.6',
+    version='1.5.7',
     description='Utils for streaming large files (S3, HDFS, gzip, bz2...)',
     long_description=read('README.rst'),