diff --git a/package.json b/package.json
index 837e4a8..1c2f385 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "update-cdn": "babel-node scripts/update-cdn.js"
   },
   "dependencies": {
-    "deepmerge": "^2.2.1",
+    "deepmerge": "^3.0.0",
     "lodash.isplainobject": "^4.0.6",
     "object-assign": "^4.1.1"
   },