diff --git a/gulpfile.js b/gulpfile.js
index a6e3791bd..4c3ef7433 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -14,6 +14,7 @@ const gulp = require('gulp'),
 	rollupCleanup = require('rollup-plugin-cleanup'),
 	{nodeResolve} = require('@rollup/plugin-node-resolve'),
 	rollupCommonjs = require('@rollup/plugin-commonjs'),
+	rollupReplace = require('@rollup/plugin-replace'),
 	vinylSource = require('vinyl-source-stream'),
 	vinylBuffer = require('vinyl-buffer'),
 	critical = require('critical').stream,
@@ -201,6 +202,9 @@ gulp.task('js', () => {
 			format: 'umd',
 		},
 		plugins: [
+			rollupReplace({
+				'process.env.NODE_ENV': JSON.stringify(BUILD ? 'production' : 'development'),
+			}),
 			rollupBabel({
 				exclude: 'node_modules/**'
 			}),
diff --git a/package.json b/package.json
index bda424817..bd4f31930 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,9 @@
     "@babel/preset-env": "^7.12.13",
     "@rollup/plugin-commonjs": "^17.1.0",
     "@rollup/plugin-node-resolve": "^11.1.1",
+    "@rollup/plugin-replace": "^2.3.4",
     "@rollup/stream": "^2.0.0",
+    "rollup-plugin-cleanup": "^3.2.1",
     "autoprefixer": "^10.2.4",
     "browser-sync": "^2.26.14",
     "critical": "^2.0.6",
@@ -93,9 +95,7 @@
     "fullcalendar": "^5.5.1",
     "imask": "^6.0.5",
     "litepicker": "^2.0.3",
-    "nouislider": "^14.6.3",
-    "rollup-plugin-cleanup": "^3.2.1",
-    "rollup-plugin-commonjs": "^10.1.0"
+    "nouislider": "^14.6.3"
   },
   "resolutions": {
     "**/**/node-gyp": "^5.0.0"