diff --git a/package.json b/package.json
index a8cc8a2..fd55078 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,9 @@
     "superagent": "^3.5.0",
     "gaugeJS": "^1.3.2",
     "d3-scale": "^1.0.5",
-    "rc-slider": "^7.0.1"
+    "rc-slider": "^7.0.1",
+    "prop-types": "^15.0.0",
+    "d3": "^3.5.0"
   },
   "devDependencies": {
     "chai": "^3.5.0",