diff --git a/build-constraints.yaml b/build-constraints.yaml
index 51357a0c..98b25d8b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4069,6 +4069,7 @@ expected-test-failures:
     - http-client # https://github.com/snoyberg/http-client/issues/360
     - http-client-tls # https://github.com/snoyberg/http-client/issues/360
     - req # https://github.com/mrkkrp/req/issues/46
+    - req-conduit # https://github.com/mrkkrp/req/issues/46
 
     # Compilation failures
     - yeshql # https://bitbucket.org/tdammers/yeshql/issues/1/stackage-nightly-test-failure