diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7c461a11..87a00738 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2978,6 +2978,9 @@ expected-test-failures:
 
     # Requries running redis - https://github.com/fpco/stackage/pull/1581
     - persistent-redis
+
+    # https://github.com/k0ral/opml-conduit/issues/4
+    - opml-conduit
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run