diff --git a/build-constraints.yaml b/build-constraints.yaml
index 38cf1bc8..07218419 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3746,7 +3746,7 @@ packages:
         - threepenny-gui < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - tz < 0 # GHC 8.4 via template-haskell-2.13.0.0
         - web-routes-th < 0 # GHC 8.4 via template-haskell-2.13.0.0
-        - monad-logger-prefix < 0 # GHC 8.4 via transformers-0.5.5.0
+        - morte < 0 # GHC 8.4 via Earley
 
         # missed by first wave
         - snap-server < 0 # GHC 8.4 via base-4.11.0.0