diff --git a/build-constraints.yaml b/build-constraints.yaml
index fbf4e177..5892ce70 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3257,6 +3257,7 @@ packages:
     "Alexander Ignatyev <ignatyev.alexander@gmail.com> @alexander-ignatyev":
         - astro
         - mltool
+        - hmatrix-morpheus
 
     "Edward Amsden <edwardamsden@gmail.com> @eamsden":
         - h2c