diff --git a/build-constraints.yaml b/build-constraints.yaml
index 404c72cb..4b2623f4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7620,6 +7620,9 @@ expected-test-failures:
 
     - poly
 
+    # https://github.com/commercialhaskell/stackage/issues/6088
+    - gitlab-haskell
+
     #
     # GHC 9 test failures
     #