diff --git a/build.py b/build.py
index 0aae45f..3caa452 100644
--- a/build.py
+++ b/build.py
@@ -27,6 +27,7 @@ def initialize(project):
         "release_organisation": "meissa",
         "release_repository_name": name,
         "release_artifacts": [],
+        "release_main_branch": "master",
     }
 
     build = ReleaseMixin(project, input)