diff --git a/package.json b/package.json
index d3253db5ec..a7d9847bea 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "bolt-check": "^0.3.0",
     "chroma-js": "^1.3.6",
     "chrono-node": "^1.3.5",
-    "codesandboxer": "^0.1.1",
+    "codesandboxer": "^0.5.0",
     "concurrently": "^3.5.1",
     "copy-webpack-plugin": "^5.0.3",
     "coveralls": "^2.11.12",
@@ -84,7 +84,7 @@
     "unfetch": "^3.0.0",
     "webpack": "^4.30.0",
     "webpack-cli": "^3.3.1",
-    "webpack-dev-server": "^3.3.1"
+    "webpack-dev-server": "^4.8.0"
   },
   "scripts": {
     "build": "preconstruct build",