diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d428a5c734..6959613157 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -19,6 +19,7 @@ Since last release
 * build and test are now fown on githubAction in place or CircleCI (#1569)
 * Have separate workflows for testing, publishing dependency images, and publishing release images (#1597, #1602, #1606, #1609)
 * Add Ubuntu 20.04 to the list of supported platforms (#1605, #1608)
+* Add random number generator (Mersenne Twister 19937, from boost) and the ability to set the seed in the simulation control block (#1599)
 
 **Changed:**