diff --git a/CHANGELOG.mdx b/CHANGELOG.mdx
index 7f8b5a28d381..fce125567d98 100644
--- a/CHANGELOG.mdx
+++ b/CHANGELOG.mdx
@@ -19,8 +19,8 @@ https://github.com/RasaHQ/rasa/tree/main/changelog/ . -->
 ## [3.6.15] - 2023-11-30
                         
 Rasa 3.6.15 (2023-11-30)                          
-
-No significant changes.
+### Bugfixes
+- [#12965](https://github.com/rasahq/rasa/issues/12965): Fixed connection timeout to action server by setting KEEP_ALIVE_TIMEOUT to 120, and reverting changes introduced in #12886.
 
 
 ## [3.6.14] - 2023-11-17