diff --git a/.size-snapshot.json b/.size-snapshot.json
index 246326e..55c0b23 100644
--- a/.size-snapshot.json
+++ b/.size-snapshot.json
@@ -1,8 +1,8 @@
 {
   "dist/react-input-mask.js": {
-    "bundled": 38979,
-    "minified": 14100,
-    "gzipped": 4920
+    "bundled": 37946,
+    "minified": 13841,
+    "gzipped": 4857
   },
   "lib/react-input-mask.development.js": {
     "bundled": 33751,
diff --git a/rollup.config.js b/rollup.config.js
index 78d7d95..75875a0 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -46,10 +46,16 @@ export default [
       file: 'dist/react-input-mask.js',
       format: 'umd',
       name: 'ReactInputMask',
-      globals: { react: 'React' }
+      globals: { 'react': 'React', 'react-dom': 'ReactDOM' }
     },
     external,
-    plugins: [...plugins, sizeSnapshot()]
+    plugins: [
+      ...plugins,
+      replace({
+        'process.env.NODE_ENV': '"development"'
+      }),
+      sizeSnapshot()
+    ]
   },
 
   {
@@ -58,7 +64,7 @@ export default [
       file: 'dist/react-input-mask.min.js',
       format: 'umd',
       name: 'ReactInputMask',
-      globals: { react: 'React' }
+      globals: { 'react': 'React', 'react-dom': 'ReactDOM' }
     },
     external,
     plugins: minifiedPlugins