diff --git a/build-constraints.yaml b/build-constraints.yaml
index 017f0005..aceadbee 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5775,6 +5775,7 @@ expected-test-failures:
     - distributed-process
     - distributed-process-execution # https://github.com/haskell-distributed/distributed-process-execution/issues/2
     - distributed-process-task
+    - fft # test-fft:  exited with: ExitFailure (-11)
     - foldl-statistics # https://github.com/data61/foldl-statistics/issues/2
     - forma
     - fsnotify # Often runs out of inotify handles