diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3baddf30..8c61adf0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2528,7 +2528,7 @@ packages:
         - servant-static-th < 0 # ghc 8.10 via servant
         - termonad < 0 # via gi-vte
         - world-peace
-        - xml-html-qq < 0 # via heterocephalus
+        - xml-html-qq
         - xml-indexed-cursor
 
     "Franklin Chen <franklinchen@franklinchen.com> @FranklinChen":