diff --git a/build-constraints.yaml b/build-constraints.yaml
index d76e4b85..cb59774e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7856,8 +7856,8 @@ packages:
         - dataframe-viz < 1.0.3
 
         # https://github.com/commercialhaskell/stackage/issues/8042
-        # vty < 6.6
-        # vty-unix < 0.3
+        - vty < 6.6
+        - vty-unix < 0.3
 
     # end of Stackage upper bounds
 # end of packages