diff --git a/build-constraints.yaml b/build-constraints.yaml
index 86e227dc..5a115537 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1962,7 +1962,7 @@ packages:
 
     "Matthew Pickering <matthewtpickering@gmail.com> @mpickering":
         - refact
-        - apply-refact < 0 # GHC 8.4 via ghc-8.4.1
+        - apply-refact
 
     "Andrew Gibiansky <andrew.gibiansky@gmail.com> @gibiansky":
         - ipython-kernel