diff --git a/package.json b/package.json
index 9dfe570..84a493c 100644
--- a/package.json
+++ b/package.json
@@ -8,10 +8,10 @@
   "dependencies": {
     "body-parser": "~1.8.1",
     "cookie-parser": "~1.3.3",
-    "debug": "~2.0.0",
-    "express": "~4.9.0",
+    "debug": "~2.6.7",
+    "express": "~4.15.3",
     "morgan": "~1.3.0",
-    "serve-favicon": "~2.1.3",
+    "serve-favicon": "~2.4.3",
     "swig": "^1.4.2"
   }
 }