diff --git a/package-lock.json b/package-lock.json
index 31293f9..d82e006 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@apidevtools/swagger-cli",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 302727e..487dc29 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@apidevtools/swagger-cli",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "Swagger 2.0 and OpenAPI 3.0 command-line tool",
   "keywords": [
     "swagger",