diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f04869..eb798f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,11 @@
 
 ## Changes since v3.2.0
 
-- [#114](https://github.com/pusher/oauth2_proxy/pull/114), [#154](https://github.com/pusher/oauth2_proxy/pull/154) Documentation is now available live at our [docs website](https://pusher.github.io/oauth2_proxy/) (@JoelSpeed, @icelynjennings) 
+- [#147](https://github.com/pusher/outh2_proxy/pull/147) Add SessionStore interfaces and initial implementation (@JoelSpeed)
+  - Allows for multiple different session storage implementations including client and server side
+  - Adds tests suite for interface to ensure consistency across implementations
+  - Refactor some configuration options (around cookies) into packages
+- [#114](https://github.com/pusher/oauth2_proxy/pull/114), [#154](https://github.com/pusher/oauth2_proxy/pull/154) Documentation is now available live at our [docs website](https://pusher.github.io/oauth2_proxy/) (@JoelSpeed, @icelynjennings)
 - [#146](https://github.com/pusher/oauth2_proxy/pull/146) Use full email address as `User` if the auth response did not contain a `User` field (@gargath)
 - [#144](https://github.com/pusher/oauth2_proxy/pull/144) Use GO 1.12 for ARM builds (@kskewes)
 - [#142](https://github.com/pusher/oauth2_proxy/pull/142) ARM Docker USER fix (@kskewes)