diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ad1679..5f6f4b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # master (unreleased)
 
+# v6.0.0 (April 5, 2023)
+
 Deprecated:
 * support for ruby `2.7`
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 11b92e6..91ff117 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    gem_updater (5.1.0)
+    gem_updater (6.0.0)
       bundler (< 3)
       json (~> 2.6)
       memoist (~> 0.16.2)
diff --git a/lib/gem_updater/version.rb b/lib/gem_updater/version.rb
index 06f501b..f18b03d 100644
--- a/lib/gem_updater/version.rb
+++ b/lib/gem_updater/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module GemUpdater
-  VERSION = '5.1.0'
+  VERSION = '6.0.0'
 end