diff --git a/build-constraints.yaml b/build-constraints.yaml
index a43e708a..37a8687f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4641,6 +4641,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4578
         - lapack < 0.3
 
+        # https://github.com/commercialhaskell/stackage/issues/4579
+        - quickcheck-classes < 0.6.2.0
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of