diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8ed38f05..9f0377e7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5459,8 +5459,9 @@ expected-test-failures:
     - hjsmin
 
     # https://github.com/commercialhaskell/stackage/issues/5158
-    - genvalidity-mergeful
     - cursor-gen
+    - genvalidity-mergeful
+    - genvalidity-mergeless
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run