diff --git a/build-constraints.yaml b/build-constraints.yaml
index 40211a04..c4566ff3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2174,7 +2174,7 @@ packages:
     "Justin Le <justin@jle.im> @mstksg":
         - advent-of-code-api < 0 # ghc 8.10 via servant
         - auto
-        - backprop < 0 # via vinyl
+        - backprop
         - bins
         - configurator-export
         - decidable < 0 # via vinyl