diff --git a/examples/using-mongodb/package.json b/examples/using-mongodb/package.json
index a9e22590316c8..0765992ee9e88 100644
--- a/examples/using-mongodb/package.json
+++ b/examples/using-mongodb/package.json
@@ -7,7 +7,7 @@
     "gatsby": "^2.0.0",
     "gatsby-plugin-react-helmet": "^3.0.0",
     "gatsby-source-mongodb": "^2.0.5",
-    "gatsby-transformer-remark": "^2.1.1",
+    "gatsby-transformer-remark": "^6.0.0",
     "react": "^16.4.1",
     "react-dom": "^16.4.1",
     "react-helmet": "^5.2.0"