diff --git a/build-constraints.yaml b/build-constraints.yaml
index 15a8a9d0..4775b208 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2135,7 +2135,7 @@ packages:
 
     "Rudy Matela <rudy@matela.com.br> @rudymatela":
         - leancheck
-        - fitspec < 0 # build failure with GHC 8.4
+        - fitspec
         - speculate
         - extrapolate
         - percent-format