diff --git a/lib/react_on_rails/version.rb b/lib/react_on_rails/version.rb
index 28a3ef9b2..a62325a86 100644
--- a/lib/react_on_rails/version.rb
+++ b/lib/react_on_rails/version.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module ReactOnRails
-  VERSION = "6.4.0".freeze
+  VERSION = "6.4.2".freeze
 end
diff --git a/package.json b/package.json
index aaedb34d1..550360feb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-on-rails",
-  "version": "6.4.0",
+  "version": "6.4.2",
   "description": "react-on-rails JavaScript for react_on_rails Ruby gem",
   "main": "node_package/lib/ReactOnRails.js",
   "directories": {
diff --git a/spec/dummy/Gemfile.lock b/spec/dummy/Gemfile.lock
index 55e77c655..66846c365 100644
--- a/spec/dummy/Gemfile.lock
+++ b/spec/dummy/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    react_on_rails (6.4.0)
+    react_on_rails (6.4.2)
       addressable
       connection_pool
       execjs (~> 2.5)