diff --git a/geo/CHANGES.md b/geo/CHANGES.md
index 9dc61c076..43bb88eb6 100644
--- a/geo/CHANGES.md
+++ b/geo/CHANGES.md
@@ -8,6 +8,8 @@
   - <https://github.com/georust/geo/pull/1250>
 - Improve handling of InterploatePoint with collapsed Line
   - <https://github.com/georust/geo/pull/1248>
+- Add Unary Union algorithm for fast union ops on adjacent / overlapping geometries
+  - <https://github.com/georust/geo/pull/1246>
 
 ## 0.29.0 - 2024.10.30