diff --git a/packages/c/carbon-charts.json b/packages/c/carbon-charts.json
index 8a7472ffc..a388ee212 100644
--- a/packages/c/carbon-charts.json
+++ b/packages/c/carbon-charts.json
@@ -35,7 +35,7 @@
     "type": "git",
     "url": "https://github.com/carbon-design-system/carbon-charts/tree/master/packages/core"
   },
-  "filename": "bundle.umd.js",
+  "filename": "bundle.umd.cjs",
   "autoupdate": {
     "source": "npm",
     "target": "@carbon/charts",
@@ -49,7 +49,7 @@
       {
         "basePath": "dist/umd",
         "files": [
-          "*.js?(.map)"
+          "*.cjs?(.map)"
         ]
       }
     ]