diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4a77df9f..b76ef503 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3122,6 +3122,7 @@ packages:
 
     "Alexander Ignatyev <ignatyev.alexander@gmail.com> @alexander-ignatyev":
         - astro
+        - mltool
 
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.