diff --git a/app.yml b/app.yml
index f3f0addf..61244f9f 100644
--- a/app.yml
+++ b/app.yml
@@ -62,7 +62,7 @@ default_permissions:
 
   # Repository contents, commits, branches, downloads, releases, and merges.
   # https://developer.github.com/v3/apps/permissions/#permission-on-contents
-  # contents: read
+  contents: write
 
   # Deployments and deployment statuses.
   # https://developer.github.com/v3/apps/permissions/#permission-on-deployments