diff --git a/README.md b/README.md
index c9e3e7e..7b24921 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,13 @@ clj-sub-command is available as a Maven artifact from [Clojars](https://clojars.
 Clojure CLI/deps.edn:
 
 ```clojure
-clj-sub-command {:mvn/version "0.5.1"}
+clj-sub-command {:mvn/version "0.6.0"}
 ```
 
 Leiningen/Boot:
 
 ```clojure
-[clj-sub-command "0.5.1"]
+[clj-sub-command "0.6.0"]
 ```
 
 ## Usage
@@ -187,6 +187,6 @@ recommended for parsing the rest arguments.
 
 ## License
 
-Copyright © 2013-2019 Toshiki Takeuchi
+Copyright © 2013-2020 Toshiki Takeuchi
 
 Distributed under the [Eclipse Public License](LICENSE), the same as Clojure.
diff --git a/project.clj b/project.clj
index cc9d521..8bc4a1a 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject clj-sub-command "0.6.0-SNAPSHOT"
+(defproject clj-sub-command "0.6.0"
   :description "A simple subcommand parser for Clojure"
   :url "https://github.com/totakke/clj-sub-command"
   :license {:name "Eclipse Public License"