diff --git a/build-constraints.yaml b/build-constraints.yaml
index c630516f..c87641df 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -494,6 +494,8 @@ packages:
         - scanf
         - show-combinators
         - type-map
+        - quickcheck-higherorder
+        - test-fun
 
     "Tobias Dammers <tdammers@gmail.com> @tdammers":
         - ginger