diff --git a/package.json b/package.json
index 56f63552..528c26e6 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "rebass": "2",
     "sass-loader": "~7.1.0",
     "styled-components": "3",
-    "styled-system": "3"
+    "styled-system": "^4.1.0"
   },
   "devDependencies": {
     "babel-eslint": "latest",