diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 899b247..1c8ff26 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,6 +10,10 @@ and this project adheres to `Semantic Versioning <http://semver.org/>`_.
 ***********
 Unreleased_
 ***********
+Changed
+-------
+- Apply flake8 to be PEP-8 compliant #354
+
 Fixed
 -----
 - harvest_source_type_exists validator should not fail if Harvester has no ``info()`` method #338