diff --git a/build-constraints.yaml b/build-constraints.yaml
index 19c9f83d..6b2272d1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -262,7 +262,9 @@ packages:
 
     "Li-yao Xia <lysxia@gmail.com> @Lysxia":
         - boltzmann-samplers
+        - generic-data
         - generic-random
+        - scanf 
         - show-combinators
 
     "Tobias Dammers <tdammers@gmail.com> @tdammers":