diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef203bbd07..63a539f9b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ BREAKING CHANGES
 
 FEATURES
 * [lcd] Can now query governance proposals by ProposalStatus
+* [x/mock/simulation] Randomized simulation framework
+  * Modules specify invariants and operations, preferably in an x/[module]/simulation package
+  * Modules can test random combinations of their own operations
+  * Applications can integrate operations and invariants from modules together for an integrated simulation
 
 IMPROVEMENTS
 * [baseapp] Allow any alphanumeric character in route