diff --git a/package.json b/package.json
index 5cddd15..32364b2 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "axios": "^1.4.0",
+    "dotenv": "^16.3.1",
     "ol": "^7.4.0",
     "ol-contextmenu": "^5.2.1",
     "ol-ext": "^4.0.10",