diff --git a/build-constraints.yaml b/build-constraints.yaml
index cf69fd4c..90beee83 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2659,7 +2659,7 @@ packages:
         - hw-rankselect
         - hw-rankselect-base
         - hw-succinct
-        - hw-xml
+        - hw-xml < 0 # Build failure haskell-works/hw-xml#28
         - pure-zlib
 
     "Ismail Mustafa <ismailmustafa@rocketmail.com> @ismailmustafa":