diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2e47dc51..d46c29bb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7448,6 +7448,9 @@ skipped-tests:
     - zm # tried zm-0.3.2, but its *test-suite* does not support: timeit-2.0
     # End of Test bounds issues
 
+    # Failing to build aeson-2.0 bump
+    - ua-parser # https://github.com/commercialhaskell/stackage/issues/6440
+
 # end of skipped-tests
 
 # Tests listed in expected-test-failures configure correctly but may fail to run