diff --git a/build-constraints.yaml b/build-constraints.yaml
index ad3dcc11..dc7135b3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7536,6 +7536,7 @@ expected-test-failures:
     - flay # 0.4
     - fmt # https://github.com/commercialhaskell/stackage/issues/6375
     - focuslist # 0.1.0.2
+    - functor-combinators # https://github.com/commercialhaskell/stackage/issues/6376
     - geojson # 4.0.2
     - heap # 1.0.4 https://github.com/pruvisto/heap/issues/11
     - hsini # 0.5.1.2