diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2dfbe1c9..7af2ad3f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5255,7 +5255,9 @@ packages:
         # Need to always match the version shipped with GHC
         - Win32 == 2.6.1.0
 
-    "Stackage upper bounds": []
+    "Stackage upper bounds":
+      # https://github.com/commercialhaskell/stackage/issues/4948
+      - stylish-haskell < 0.9.4.0
 
 # end of packages