diff --git a/default.json b/default.json
index 5e2cca9..dda8ca5 100644
--- a/default.json
+++ b/default.json
@@ -18,7 +18,7 @@
     }
   ],
   "branchPrefix": "renovate_",
-  "customManager": [
+  "customManagers": [
     {
       "customType": "regex",
       "description": "Update _version variables in Ansible",