diff --git a/build-constraints.yaml b/build-constraints.yaml
index 08fe5dd1..7835c164 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2778,6 +2778,7 @@ packages:
 
     "Tony Day <tonyday567@gmail.com> @tonyday567":
         - numhask
+        - numhask-prelude
         - numhask-range
         - perf
         - online
@@ -3679,12 +3680,9 @@ packages:
         - multistate < 0 # GHC 8.4 via base-4.11.0.0
         - naqsha < 0 # GHC 8.4 via base-4.11.0.0
         - network-carbon < 0 # GHC 8.4 via base-4.11.0.0
-        - numhask < 0 # GHC 8.4 via base-4.11.0.0
-        - numhask-range < 0 # GHC 8.4 via base-4.11.0.0
         - palette < 0 # GHC 8.4 via base-4.11.0.0
         - partial-semigroup < 0 # GHC 8.4 via base-4.11.0.0
         - path-text-utf8 < 0 # GHC 8.4 via base-4.11.0.0
-        - perf < 0 # GHC 8.4 via base-4.11.0.0
         - pipes-random < 0 # GHC 8.4 via base-4.11.0.0
         - pomaps < 0 # GHC 8.4 via base-4.11.0.0
         - posix-paths < 0 # GHC 8.4 via base-4.11.0.0