diff --git a/package.json b/package.json
index 82123ea..bbc277a 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "babel-runtime": "^6.9.2",
     "d3": "~3.5.16",
     "graphlib": "~2.1.0",
-    "sankey-layout": "~0.2.3"
+    "sankey-layout": "~0.2.4"
   },
   "devDependencies": {
     "almost-equal": "~1.0.0",