diff --git a/packages/benchmarks/package.json b/packages/benchmarks/package.json
index 38fdd29cd3..cf02cdf7a9 100644
--- a/packages/benchmarks/package.json
+++ b/packages/benchmarks/package.json
@@ -21,16 +21,16 @@
     "react-jss": "^8.3.3",
     "react-native-web": "0.14.8",
     "reactxp": "^1.0.0",
-    "styled-components": "^3.2.0",
+    "styled-components": "^4.0.0",
     "styled-jsx": "^2.2.5",
     "styletron-engine-atomic": "^1.0.0",
-    "styletron-react": "^4.0.0"
+    "styletron-react": "^5.0.0"
   },
   "devDependencies": {
     "babel-plugin-react-native-web": "0.14.8",
-    "css-loader": "^0.28.10",
+    "css-loader": "^2.0.0",
     "style-loader": "^2.0.0",
-    "webpack": "^3.10.0",
-    "webpack-bundle-analyzer": "^2.9.2"
+    "webpack": "^4.26.0",
+    "webpack-bundle-analyzer": "^3.3.2"
   }
 }