diff --git a/CHANGELOG.md b/CHANGELOG.md
index b25da61bf8..7aa1c3906e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ Nokogiri follows [Semantic Versioning](https://semver.org/), please see the [REA
 
 ---
 
-## next / unreleased
+## 1.15.3 / 2023-07-05
 
 ### Fixed
 
diff --git a/lib/nokogiri/version/constant.rb b/lib/nokogiri/version/constant.rb
index fc8d16f017..a22051c501 100644
--- a/lib/nokogiri/version/constant.rb
+++ b/lib/nokogiri/version/constant.rb
@@ -2,5 +2,5 @@
 
 module Nokogiri
   # The version of Nokogiri you are using
-  VERSION = "1.15.2"
+  VERSION = "1.15.3"
 end