diff --git a/lib/schemas/config.js b/lib/schemas/config.js
index d648323e..4380b8f5 100644
--- a/lib/schemas/config.js
+++ b/lib/schemas/config.js
@@ -67,6 +67,7 @@ export const defaultConfig = {
         'tilemap',
         'timeline',
         'treemap',
+        'treegraph',
         'item-series',
         'drilldown',
         'histogram-bellcurve',