diff --git a/NEWS b/NEWS
index a813fc4f3..3f625dbbd 100644
--- a/NEWS
+++ b/NEWS
@@ -39,6 +39,7 @@ YYYY/MM/DD
   - ST_Snap (Sandro Santilli)
   - ST_RelateMatch (Sandro Santilli / Faunalia for RT-SIGTA)
   - ST_ConcaveHull (Regina Obe and Leo Hsu)
+  - ST_UnaryUnion (Sandro Santilli)
 
  * Enhancements *