diff --git a/app/marko/package.json b/app/marko/package.json
index e9e234b9de8a..8ead24ddb702 100644
--- a/app/marko/package.json
+++ b/app/marko/package.json
@@ -34,7 +34,7 @@
   "dependencies": {
     "@marko/webpack": "^2.0.0",
     "@storybook/client-logger": "5.3.0-alpha.22",
-    "@storybook/core": "5.3.0-alpha.22",
+    "@storybook/core": "6.0.0",
     "core-js": "^3.0.1",
     "global": "^4.3.2",
     "regenerator-runtime": "^0.13.3",