diff --git a/bower.json b/bower.json
index 3d0fe5b..27316b4 100644
--- a/bower.json
+++ b/bower.json
@@ -24,7 +24,8 @@
     "tests"
   ],
   "dependencies": {
-    "gulp": "^3.9.1"
+    "gulp": "^3.9.1",
+    "d3": "^4.7.3"
   },
   "devDependencies": {
     "foundation": "^5.5.3"