diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2d89b29c9..ff3bae864 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9347,6 +9347,7 @@ expected-test-failures:
     - cryptohash # 0.11.9 Stack builds test and benchmarks in one pass so benchmark could prevent tests from getting built
     - do-notation # 0.1.0.2
     - express # 1.0.16 https://github.com/rudymatela/express/issues/4
+    - fcf-family # 0.2.0.1 https://gitlab.com/lysxia/fcf-family/-/issues/1
     - fields-and-cases # 0.2.0.0 https://github.com/m-bock/fields-and-cases/issues/1
     - fortran-src # 0.16.3 https://github.com/camfort/fortran-src/issues/293
     - generic-arbitrary # 1.0.1 https://github.com/typeable/generic-arbitrary/issues/18