CHANGELOG.md in govuk_test-0.3.1 vs CHANGELOG.md in govuk_test-0.4.0

@@ -5,9 +5,13 @@
 - Include a link to your pull request.
 - Don't include changes that are purely internal. The CHANGELOG should be a
   useful summary for people upgrading their application, not a replication
   of the commit log.
 
+## 0.4.0
+
+* Don't download chromedriver if it's already available.
+
 ## 0.3.1
 
 * Revert "Don't force use of chromedriver-helper" - which seems to break apps in CI
 
 ## 0.3.0