diff --git a/CHANGELOG.md b/CHANGELOG.md
index c50ecfa..d654ee4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
-## [Unreleased](https://github.com/figuren-theater/install.php/compare/1.3.0...HEAD)
+## [Unreleased](https://github.com/figuren-theater/install.php/compare/1.3.1...HEAD)
+
+## [1.3.1](https://github.com/figuren-theater/install.php/compare/1.3.0...1.3.1) - 2023-07-16
+
+### 🚀 Added
+
+- Finish: Establish quality standards  ([#5](https://github.com/figuren-theater/install.php/pull/5))
 
 ## [1.3.0](https://github.com/figuren-theater/install.php/compare/1.2.0...1.3.0) - 2023-07-16
 
@@ -15,4 +21,3 @@ All notable changes to this project will be documented in this file.
 - Bump version ([#4](https://github.com/figuren-theater/install.php/pull/4))
 - Establish quality standards ([#3](https://github.com/figuren-theater/install.php/pull/3))
 - Develop ([#1](https://github.com/figuren-theater/install.php/pull/1))
-