diff --git a/ChangeLog.md b/ChangeLog.md
index 753811b01f784..0e8e3ee6afb21 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -20,6 +20,7 @@ See docs/process.md for more on how version tagging works.
 
 3.1.53 (in development)
 -----------------------
+- The llvm version that emscripten uses was updated to 17.0.0 trunk. (#21165)
 
 3.1.52 - 01/19/24
 -----------------