diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2f8b4796..d6e49d02 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -58,7 +58,7 @@ packages:
         - safe-foldable
 
     "Jaro Reinders <jaro.reinders@gmail.com> @Noughtmare":
-        - haskell-lsp-client # 0 # GHC 8.4 via haskell-lsp
+        - haskell-lsp-client < 0 # GHC 8.4 build failure
 
     "Florian Knupfer <fknupfer@gmail.com> @knupfer":
         - type-of-html