diff --git a/build-constraints.yaml b/build-constraints.yaml
index d6e8b3bb..4164f4ad 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8006,6 +8006,7 @@ expected-test-failures:
     - cacophony # 0.11.0 https://github.com/centromere/cacophony/issues/15
     - cereal # 0.5.8.3 https://github.com/GaloisInc/cereal/issues/109
     - conduit-connection # 0.1.0.5
+    - conferer # 1.1.0.0
     - cryptohash # 0.11.9 Stack builds test and benchmarks in one pass so benchmark could prevent tests from getting built
     - derive-topdown # 0.1.1.0 https://github.com/HaskellZhangSong/derive-topdown/issues/2
     - do-notation # 0.1.0.2