diff --git a/lib/route-helper.js b/lib/route-helper.js
index 587627b..80bf9a8 100644
--- a/lib/route-helper.js
+++ b/lib/route-helper.js
@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-var debug = require('debug')('loopback-explorer:routeHelpers');
+var debug = require('debug')('loopback:explorer:routeHelpers');
 var _cloneDeep = require('lodash.clonedeep');
 var translateDataTypeKeys = require('./translate-data-type-keys');
 var modelHelper = require('./model-helper');
diff --git a/lib/swagger.js b/lib/swagger.js
index bc1bbe8..c886ac3 100644
--- a/lib/swagger.js
+++ b/lib/swagger.js
@@ -7,7 +7,7 @@ module.exports = Swagger;
 /**
  * Module dependencies.
  */
-var debug = require('debug')('loopback-explorer:swagger');
+var debug = require('debug')('loopback:explorer:swagger');
 var path = require('path');
 var urlJoin = require('./url-join');
 var _defaults = require('lodash.defaults');
diff --git a/package.json b/package.json
index c76e06d..49fc16b 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,6 @@
     "debug": "~1.0.2",
     "lodash.clonedeep": "^2.4.1",
     "lodash.defaults": "^2.4.1",
-    "express": "4.x"
+    "express": "3.x"
   }
 }