diff --git a/build-constraints.yaml b/build-constraints.yaml
index f581f5b3..5f5be6e3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -57,6 +57,7 @@ packages:
         - dunai
         - rhine
         - rhine-gloss
+        - dunai-core
 
     "Paul Johnson <paul@cogito.org.uk> @PaulJohnson":
         - geodetics