diff --git a/build-constraints.yaml b/build-constraints.yaml
index 29658eaf..fb2d116b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8868,6 +8868,7 @@ expected-test-failures:
     - rando # https://github.com/commercialhaskell/stackage/issues/4249
     - rank1dynamic
     - readline # 1.0.3.0
+    - replace-megaparsec # https://github.com/jamesdbrock/replace-megaparsec/issues/38
     - rescue
     - roc-id # 0.1.0.0 negative quickcheck resize
     - rose-trees