diff --git a/build-constraints.yaml b/build-constraints.yaml
index d5a9fe1a..bc4e4ba2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2856,7 +2856,7 @@ packages:
         - numhask-prelude
         - numhask-range
         - perf
-        - online < 0 # GHC 8.4 via numhask
+        - online
         # - chart-unit # lens 4.16 via diagrams
 
     "Iphigenia Df <iphydf@gmail.com> @iphydf":