diff --git a/package.json b/package.json
index 6e1bbb01..a4df7b10 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "paper": "0.11.5",
     "postcss-import": "^12.0.0",
     "postcss-loader": "^3.0.0",
-    "postcss-simple-vars": "^4.0.0",
+    "postcss-simple-vars": "^5.0.1",
     "raf": "^3.4.0",
     "react": "16.2.0",
     "react-dom": "16.4.0",