diff --git a/build-constraints.yaml b/build-constraints.yaml
index 262ae87a..f6ace0ac 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5457,6 +5457,10 @@ expected-test-failures:
 
     # Test-runner expects a cabal-style 'dist-newstyle' directory
     - hjsmin
+
+    # https://github.com/commercialhaskell/stackage/issues/5158
+    - genvalidity-mergeful
+    - cursor-gen
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run
@@ -5476,6 +5480,7 @@ expected-benchmark-failures:
     - raaz # https://github.com/commercialhaskell/stackage/issues/4766
     - thyme
     - xmlgen # https://github.com/skogsbaer/xmlgen/issues/6
+    - genvalidity-mergeless # https://github.com/commercialhaskell/stackage/issues/5157
 
 # end of expected-benchmark-failures