diff --git a/package.json b/package.json
index 0a6fd4a..e9f3937 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
   },
   "homepage": "https://github.com/resin-io-projects/simple-server-node#readme",
   "dependencies": {
-    "express": "*"
+    "express": "*",
+    "pi-pins": "~1.0.2"
   }
 }