diff --git a/build-constraints.yaml b/build-constraints.yaml
index 67108c44..299dfbc5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2072,6 +2072,7 @@ packages:
         - modern-uri
         - mmark
         - mmark-ext
+        - html-entity-map
 
     "Emmanuel Touzery <etouzery@gmail.com> @emmanueltouzery":
         - app-settings