diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b28dee98d3..f0506d20f0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,9 @@ full changeset diff at the end of each section.
 Current Trunk
 -------------
 
+- Replace the `BINARYEN_ROOT` environment variable (used by developers who are
+  doing out-of-tree builds of binaryen) with `BINARYEN_BIN` (#9023)
+
 v132
 ----