diff --git a/package.json b/package.json
index be409de..846877c 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "url": "https://github.com/ajfisher/node-pixel/issues"
   },
   "dependencies": {
-    "color-string": "^1.4.0",
+    "color-string": "^1.5.2",
     "firmata": "^0.15.0",
     "johnny-five": "^0.10.6"
   },