diff --git a/update.py b/update.py
index af60df08b..b7416e168 100644
--- a/update.py
+++ b/update.py
@@ -113,7 +113,7 @@ def format(self, record: LogRecord) -> str:
     "https://github.com/AeonOrg/Aeon-MLTB",
 ).strip()
 
-UPSTREAM_BRANCH = config_file.get("UPSTREAM_BRANCH", "").strip() or "main"
+UPSTREAM_BRANCH = config_file.get("UPSTREAM_BRANCH", "").strip() or "beta"
 
 if UPSTREAM_REPO:
     if path.exists(".git"):