diff --git a/package.json b/package.json
index d02b18f..dbaa87a 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "bootstrap-vue": "^2.23.1",
     "bowser": "^2.11.0",
     "core-js": "^3.36.1",
+    "dotenv": "^17.2.1",
     "file-saver": "^2.0.5",
     "jsonld": "^8.3.2",
     "jszip": "^3.10.1",
diff --git a/src/config.js b/src/config.js
index 0c457e6..10cdd82 100644
--- a/src/config.js
+++ b/src/config.js
@@ -1,5 +1,5 @@
 module.exports = {
-  githubSrc: 'https://raw.githubusercontent.com/ReproNim/demo-protocol/main/DemoProtocol/DemoProtocol_schema',
+  githubSrc: process.env.VUE_APP_REPROSCHEMA_GITHUB_SRC || 'https://raw.githubusercontent.com/ReproNim/demo-protocol/main/DemoProtocol/DemoProtocol_schema',
   startButton: {
     "en": 'Join',
     "es": 'Participar'