diff --git a/_output.yml b/_output.yml
index 707faad..7340f38 100644
--- a/_output.yml
+++ b/_output.yml
@@ -1,7 +1,9 @@
 bookdown::bs4_book:
   theme:
     primary: "#4D6F8D"
-  repo: https://github.com/jennybc/happy-git-with-r
+  repo:
+      base: https://github.com/jennybc/happy-git-with-r
+      branch: main
   includes:
     in_header: [ga_script.html]
 bookdown::gitbook: