diff --git a/package.json b/package.json
index 865072f6ce..5c9b9f49e9 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
 	"author": "nondanee, 1715173329, pan93412",
 	"license": "LGPL-3.0-only",
 	"dependencies": {
+		"dotenv": "^16.3.1",
 		"node-windows": "^1.0.0-beta.8",
 		"pino": "6.14.0",
 		"pino-pretty": "^7.6.1"
diff --git a/src/bootstrap/index.js b/src/bootstrap/index.js
index df623acb54..ba830ab8c1 100644
--- a/src/bootstrap/index.js
+++ b/src/bootstrap/index.js
@@ -1,3 +1,4 @@
+const dotenv = require('dotenv');
 const devMessage = require('./message');
 
 /**
@@ -6,6 +7,9 @@ const devMessage = require('./message');
  * @param {string} mainEntry
  */
 function startApp(mainEntry) {
+	// Inject the `.env` file into the `process.env` object.
+	dotenv.config();
+
 	if (process.env.DEVELOPMENT === 'true') {
 		console.warn(devMessage);
 		// Require the source.
diff --git a/yarn.lock b/yarn.lock
index 01fcc8cf1a..0f6a1fd7ed 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1206,6 +1206,7 @@ __metadata:
     browserslist: ^4.21.9
     core-js: ^3.31.1
     cross-env: ^7.0.3
+    dotenv: ^16.3.1
     jest: ^29.6.1
     node-windows: ^1.0.0-beta.8
     pino: 6.14.0