diff --git a/package.json b/package.json
index 73a5d00c..5f9ae0f1 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
     "redis": ">= 0.6.7",
     "mongoose": ">= 2.2.3",
     "mysql": ">= 0.9.4",
-    "sequelize": "*"
+    "sequelize": "*",
+    "pg": "*"
   },
   "devDependencies": {
     "nodeunit": ">= 0",