diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8d846ddb..63ea7bd2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9344,6 +9344,7 @@ expected-test-failures:
     - lattices # quicheck flakiness
     - list-transformer
     - lz4-frame-conduit # https://github.com/nh2/lz4-frame-conduit/issues/3
+    - koji-tool # https://github.com/commercialhaskell/stackage/issues/7394
     - massiv-io
     - megaparsec-tests
     - memcache # 0.3.0.1 executable not found