diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 3146b1a..6e56827 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,17 @@
 Changelog
 =========
 
+`3.1.0`_ (2019-08-22)
+---------------------
+.. _3.1.0: https://github.com/imgix/imgix-python/compare/3.0.0...3.1.0
+
+*    feat: add srcset generation (`#48`_) 
+*    build(tox): improve code coverage reporting; parallelize testing (`#49`_) 
+
+.. _#48: https://github.com/imgix/imgix-python/pull/48
+.. _#49: https://github.com/imgix/imgix-python/pull/49 
+
+
 `3.0.0`_ (2019-06-07)
 ---------------------
 .. _3.0.0: https://github.com/imgix/imgix-python/compare/2.3.0...3.0.0
diff --git a/imgix/_version.py b/imgix/_version.py
index 4eb28e3..7f5601d 100644
--- a/imgix/_version.py
+++ b/imgix/_version.py
@@ -1 +1 @@
-__version__ = '3.0.0'
+__version__ = '3.1.0'