diff --git a/features.txt b/features.txt
index e9ca739503..ec407cb088 100644
--- a/features.txt
+++ b/features.txt
@@ -93,6 +93,10 @@ Intl.Locale
 # https://github.com/tc39/proposal-intl-relative-time
 Intl.RelativeTimeFormat
 
+# Intl.Segmenter
+# https://github.com/tc39/proposal-intl-segmenter
+Intl.Segmenter
+
 # Global
 # https://github.com/tc39/proposal-global
 global