diff --git a/build-constraints.yaml b/build-constraints.yaml
index 40ff2dc2..69d31982 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -923,6 +923,7 @@ packages:
         - waitra
 
         # Not a maintainer
+        - haxl
         - monad-time
         - these