diff --git a/build-constraints.yaml b/build-constraints.yaml
index 75a12280..3db1385a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1503,6 +1503,7 @@ packages:
         - mighty-metropolis
         - speedy-slice
         - hasty-hamiltonian
+        - declarative
 
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537