diff --git a/build-constraints.yaml b/build-constraints.yaml
index a261bff2..ebccc7c6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4989,6 +4989,9 @@ packages:
         - incipit-base
         - incipit-core
 
+    "Michael Dressel <michael.dressel@kloenplatz.de> @mdrslmr":
+        - MultipletCombiner
+
     "Grandfathered dependencies":
         - BiobaseNewick
         - Boolean