diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index f1d01a9ed2..c8490e3a4d 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -3,7 +3,12 @@
 This file contains one line summaries of commits that are worthy of mentioning in release notes.
 A new header is inserted each time a *tag* is created.
 
-## Next release
+## v1.9.1
+
+- Improvements to SSAO quality
+- Fix unoptimized shader crashes with certain OpenGL drivers
+- Add float versions of math constants to libmath
+- filament-utils: fix, `CoroutineScope` job should be canceled before destroy
 
 ## v1.9.0