diff --git a/README.md b/README.md
index ef677c0..57e2d42 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ It uses [ExecJS] under the hood.
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'temml', '~> 0.17.0', :github => 'sudotac/temml-ruby'
+gem 'temml', '~> 0.18.0', :github => 'sudotac/temml-ruby'
 ```
 
 And then execute:
@@ -21,7 +21,7 @@ And then execute:
 
 Or install it yourself with [specific\_install rubygem](https://rubygems.org/gems/specific_install) as:
 
-    $ gem specific_install -t v0.17.0 https://github.com/sudotac/temml-ruby.git
+    $ gem specific_install -t v0.18.0 https://github.com/sudotac/temml-ruby.git
 
 ## Usage
 
diff --git a/lib/temml/version.rb b/lib/temml/version.rb
index 4591ef8..e003056 100644
--- a/lib/temml/version.rb
+++ b/lib/temml/version.rb
@@ -3,6 +3,6 @@
 # SPDX-License-Identifier: CC0-1.0 AND MIT
 
 module Temml
-  VERSION = '0.17.0'
+  VERSION = '0.18.0'
   TEMML_VERSION = '0.10.28'
 end