diff --git a/.gitignore b/.gitignore
index 31dc032..9951345 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 node_modules/
 dist/
-rollup.config.js
 Countly.d.ts
 src/
 instrumented/
diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 0000000..a9e1886
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,50 @@
+
+import resolve from "@rollup/plugin-node-resolve";
+import babel from "@rollup/plugin-babel";
+
+export default [
+    {
+        input: "./Countly.js",
+        output: [
+            {
+                file: "dist/countly_esm.js",
+                format: "esm",
+                name: "Countly",
+                sourcemap: true,
+                exports: "named",
+                extend: true,
+                globals: { crypto: "crypto", Countly: "Countly" },
+            },
+            {
+                file: "dist/countly_umd.js",
+                format: "umd",
+                name: "Countly",
+                sourcemap: true,
+                exports: "named",
+                extend: true,
+                globals: { crypto: "crypto", Countly: "Countly" },
+            },
+            {
+                file: "dist/countly_cjs.js",
+                format: "cjs",
+                name: "Countly",
+                sourcemap: true,
+                exports: "named",
+                extend: true,
+                globals: { crypto: "crypto", Countly: "Countly" },
+            },
+        ],
+        plugins: [
+            resolve({
+                preferBuiltins: true,
+            }),
+            babel({
+                babelrc: false,
+                presets: ["@babel/preset-env"],
+                babelHelpers: "bundled",
+                // plugins : ["istanbul"] // use for code coverage
+            }),
+        ],
+    }
+
+];
\ No newline at end of file