diff --git a/extensions/json/package.json b/extensions/json/package.json
index 8cb003806d4..ba3b94b8c78 100644
--- a/extensions/json/package.json
+++ b/extensions/json/package.json
@@ -61,7 +61,8 @@
         "filenames": [
           "babel.config.json",
           ".babelrc.json",
-          ".ember-cli"
+          ".ember-cli",
+          "typedoc.json"
         ],
         "configuration": "./language-configuration.json"
       }