diff --git a/CHANGELOG.md b/CHANGELOG.md
index 497adfc..4af3a34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 4.3.0
+
+* Generate unique items for arrays with the "uniqueItems" property.
+
 # 4.2.0
 
 * Add support for generating random HH:MM time strings that match a regex. ([#62](https://github.com/alphagov/govuk_schemas/pull/62))
diff --git a/lib/govuk_schemas/version.rb b/lib/govuk_schemas/version.rb
index 22ce071..f4df86a 100644
--- a/lib/govuk_schemas/version.rb
+++ b/lib/govuk_schemas/version.rb
@@ -1,4 +1,4 @@
 module GovukSchemas
   # @private
-  VERSION = "4.2.0".freeze
+  VERSION = "4.3.0".freeze
 end