diff --git a/build-constraints.yaml b/build-constraints.yaml
index 94592947..2e200c96 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2981,6 +2981,7 @@ expected-test-failures:
     - pandoc-citeproc # https://github.com/jgm/pandoc-citeproc/issues/172
     - spdx # https://github.com/phadej/spdx/issues/8
     - statistics # https://github.com/bos/statistics/issues/42
+    - haskell-tools-refactor  # https://github.com/haskell-tools/haskell-tools/issues/231
 
     # Timeouts
     # These tests sometimes take too long and hit the stackage build