diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd64dc4633411b..0776d24811b8d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,6 +70,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 
 
+- Fixed horovod auto-detection when horovod is not installed and the launcher is `mpirun` ([#8610](https://github.com/PyTorchLightning/pytorch-lightning/pull/8610))
 
 ### Fixed