diff --git a/build-constraints.yaml b/build-constraints.yaml
index 930d83ec..97418e17 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -115,6 +115,7 @@ packages:
     "Luke Murphy <lukewm@riseup.net> @lwm":
         - tasty-discover
         - lentil
+        - packunused
 
     "Marco Zocca @ocramz":
         - sparse-linear-algebra