diff --git a/package.json b/package.json
index cf1248cd18e..ac9f0c522b7 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,9 @@
     "devDependencies": {
         "metrics": ">=0.1.5"
     },
+    "optionalDependencies": {
+        "hiredis": "*"
+    }
     "repository": {
         "type": "git",
         "url": "git://github.com/mranney/node_redis.git"