diff --git a/build-constraints.yaml b/build-constraints.yaml
index fe802e20..59aee325 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5420,6 +5420,7 @@ expected-test-failures:
     - egison # https://github.com/commercialhaskell/stackage/issues/4984
     - foldl-statistics # https://github.com/data61/foldl-statistics/issues/2
     - fsnotify # Often runs out of inotify handles
+    - forma
     - hastache
     - idris # https://github.com/fpco/stackage/issues/1382
     - ihaskell # https://github.com/gibiansky/IHaskell/issues/551