diff --git a/build-constraints.yaml b/build-constraints.yaml
index 96f2c047..afafab08 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1579,6 +1579,7 @@ packages:
 
     "Justin Le <justin@jle.im> @mstksg":
         - auto
+        - backprop
         - configurator-export
         - hamilton
         - prompt