diff --git a/build-constraints.yaml b/build-constraints.yaml
index 00b8cbf50..03d9ac190 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1697,6 +1697,9 @@ packages:
         - yaml-unscrambler
         - xml-parser
 
+        # https://github.com/commercialhaskell/stackage/issues/7586
+        - isomorphism-class < 0.2
+
     "Iustin Pop <iustin@k1024.org> @iustin":
         - prefix-units