diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bfaed5a..103ca683 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,10 +2,14 @@
 
 ## Unreleased
 
+...
+
+## 3.0.0
+
 ### BREAKING CHANGES
 
-After upgrade behaviour of `to_h` would change and match behaviour of `to_hash`. Check [#217](https://github.com/rubyconfig/config/issues/217#issuecomment-741953382) for more details.
-`Config::Options#load_env!` and `Config::Options#reload_env!` have been removed. If you need to reload settings after modifying the `ENV` hash, use `Config.reload!` or `Config::Options#reload!` instead.
+* After upgrade behaviour of `to_h` would change and match behaviour of `to_hash`. Check [#217](https://github.com/rubyconfig/config/issues/217#issuecomment-741953382) for more details.
+* `Config::Options#load_env!` and `Config::Options#reload_env!` have been removed. If you need to reload settings after modifying the `ENV` hash, use `Config.reload!` or `Config::Options#reload!` instead.
 
 ### Bug fixes
 
diff --git a/lib/config/version.rb b/lib/config/version.rb
index 7a347148..709200b1 100644
--- a/lib/config/version.rb
+++ b/lib/config/version.rb
@@ -1,3 +1,3 @@
 module Config
-  VERSION = '2.2.3'.freeze
+  VERSION = '3.0.0'.freeze
 end