diff --git a/package.json b/package.json
index 201f35d..7add8ce 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "dependencies": {
     "chroma-js": "^1.3.6",
     "d3": "^5.0.0",
+    "lodash": "4.17.11",
     "react": "^16.3.1",
     "react-dom": "^16.3.1",
     "react-scripts": "1.1.4",
@@ -22,4 +23,4 @@
   "devDependencies": {
     "gh-pages": "^1.1.0"
   }
-}
+}
\ No newline at end of file