diff --git a/package.json b/package.json
index c75f4ab..76b1340 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "body-parser": "^1.18.3",
     "chalk": "1.1.1",
-    "d3": "3.5.6",
+    "d3": "^5.7.0",
     "debug": "^4.1.0",
     "express": "^4.16.4",
     "geoip-lite": "^1.3.2",