diff --git a/package-lock.json b/package-lock.json
index 14eedca..d875143 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "webext-redux",
-  "version": "2.1.9",
+  "version": "3.0.0-mv3.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "webext-redux",
-      "version": "2.1.9",
+      "version": "3.0.0-mv3.0",
       "license": "MIT",
       "dependencies": {
         "lodash.assignin": "^4.2.0",
diff --git a/package.json b/package.json
index 5c684de..cbe5bf0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webext-redux",
-  "version": "2.1.9",
+  "version": "3.0.0-mv3.0",
   "description": "A set of utilities for building Redux applications in Web Extensions.",
   "main": "lib/index.js",
   "typings": "./index.d.ts",