diff --git a/build-constraints.yaml b/build-constraints.yaml
index 89ca6e3a..77590509 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -449,7 +449,7 @@ packages:
     "Jasper Van der Jeugt @jaspervdj":
         - blaze-html
         - blaze-markup
-        - stylish-haskell
+        - stylish-haskell < 0 # BuildFailureException with GHC 8.4
         # - profiteur # js-jquery 3.3
         - psqueues
         - websockets