diff --git a/package.json b/package.json
index 4aeb7d4f58b..c466ab5a156 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "license": "MIT",
   "jsdelivr": "dist/chart.min.js",
   "unpkg": "dist/chart.min.js",
-  "main": "dist/chart.js",
+  "main": "dist/chart.cjs",
   "module": "dist/chart.esm.js",
   "types": "types/index.esm.d.ts",
   "keywords": [
diff --git a/rollup.config.js b/rollup.config.js
index 6f05bff34a7..8dc169dcad6 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -59,6 +59,28 @@ module.exports = [
     },
   },
 
+  // CJS builds
+  // dist/chart.cjs
+  {
+    input, // for backwards-compatibility. should change to inputESM at 4.0 (and possibly rename that variable/file)
+    plugins: [
+      json(),
+      resolve(),
+      cleanup({
+        sourcemap: true
+      }),
+      analyze({summaryOnly: true})
+    ],
+    output: {
+      name: 'Chart',
+      file: 'dist/chart.cjs',
+      exports: 'default', // for backwards-compatibility. should change to 'named' with 4.0
+      banner,
+      format: 'cjs',
+      indent: false,
+    },
+  },
+
   // ES6 builds
   // dist/chart.esm.js
   // helpers/*.js