diff --git a/build-constraints.yaml b/build-constraints.yaml
index ba2ffcea..440f9a84 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3532,6 +3532,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/3728
         - aeson < 1.4
+
+        # https://github.com/commercialhaskell/stackage/issues/3729
+        - threepenny-gui < 0.8.2.4
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of