diff --git a/demo/campaign/package.json b/demo/campaign/package.json
index c77e25ae..b9992e4d 100644
--- a/demo/campaign/package.json
+++ b/demo/campaign/package.json
@@ -72,8 +72,5 @@
         "rimraf": "^3.0.0",
         "tsconfig-paths": "^3.0.0",
         "typescript": "^4.0.0"
-    },
-    "peerDependencies": {
-        "mjml": "^4.7.0"
     }
 }