diff --git a/package.json b/package.json
index 7c7b054..4df65ef 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "eslint-plugin-react": "^7.11.1",
     "fastclick": "~1.0.6",
     "file-loader": "^2.0.0",
-    "filesize": "^3.6.1",
+    "filesize": "^5.0.3",
     "fs-extra": "^7.0.1",
     "gh-pages": "^2.0.1",
     "glob": "~7.1.3",