diff --git a/build-constraints.yaml b/build-constraints.yaml
index cb93d2c6..d51d12cc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5032,6 +5032,7 @@ expected-test-failures:
     - doctest-discover # 0.1.0.9 https://github.com/karun012/doctest-discover/issues/22
     - graylog # 0.1.0.1 https://github.com/fpco/stackage/pull/1254
     - summoner # https://github.com/kowainik/summoner/issues/270
+    - tomland # https://github.com/kowainik/tomland/issues/141
 
     # Assertion failures, these can be real bugs or just limitations
     # in the test cases.