diff --git a/build-constraints.yaml b/build-constraints.yaml
index a848c549..66265d3a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2512,6 +2512,9 @@ packages:
     "Ryan Mulligan <ryan@ryantm.com> @ryantm":
       - hdbc-mysql
 
+    "Tony Day <tonyday567@gmail.com> @tonyday567":
+        - chart-unit
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056