diff --git a/packages/mesh-browser-shim/package.json b/packages/mesh-browser-shim/package.json
index 0d41d4334..84397bd1b 100644
--- a/packages/mesh-browser-shim/package.json
+++ b/packages/mesh-browser-shim/package.json
@@ -15,8 +15,8 @@
         "shx": "^0.3.2",
         "ts-loader": "^8.0.5",
         "typescript": "^4.0.3",
-        "webpack": "^4.43.0",
-        "webpack-cli": "^3.3.10"
+        "webpack": "^5.0.0",
+        "webpack-cli": "^4.0.0"
     },
     "dependencies": {
         "@0x/mesh-browser-lite": "^11.2.0",