diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7d59a532..ab065b64 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2586,7 +2586,7 @@ packages:
         - mighty-metropolis
         - speedy-slice
         - hasty-hamiltonian
-        - declarative
+        - declarative < 0.5.2 # https://github.com/commercialhaskell/stackage/issues/5384
         - sampling
         - flat-mcmc
         - urbit-hob