diff --git a/build-constraints.yaml b/build-constraints.yaml
index 11396062..b0174939 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2206,6 +2206,9 @@ expected-test-failures:
 
     # https://github.com/snapframework/io-streams/issues/50
     - io-streams
+
+    # https://github.com/fpco/stackage/issues/1019
+    - stm-conduit
 # end of expected-test-failures