diff --git a/build-constraints.yaml b/build-constraints.yaml
index 428a5b49b..276e59557 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5319,6 +5319,9 @@ packages:
     "Jan Hrček <honza.hrk@gmail.com> @jhrcek":
         - ini
 
+    "Joosep Jääger <joosep.jaager@gmail.com> @Soupstraw":
+        - antigen
+
     "Grandfathered dependencies":
         - BiobaseNewick
         - Boolean