diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3c514f2a..22b41bb3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -90,6 +90,10 @@ packages:
         - learn-physics
         - TypeCompose
 
+        # @ghorn
+        - not-gloss
+        - spatial-math
+
     "Phil de Joux <phil.dejoux@blockscope.com> @philderbeast":
         - siggy-chardust
         - detour-via-sci