diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42744862..c75ca33d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 5.2.0
 
 - Add KaiOS detection.
 - Replace `String#=~` with `String#match?` and other optimizations.
diff --git a/lib/browser/version.rb b/lib/browser/version.rb
index d45eac2f..4042ad3f 100644
--- a/lib/browser/version.rb
+++ b/lib/browser/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Browser
-  VERSION = "5.1.0"
+  VERSION = "5.2.0"
 end