diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21030ae62..a1d170190 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,13 @@
 # Couper Changelog
 
-## [Unreleased](https://github.com/avenga/couper/compare/1.2...master)
+## [Unreleased](https://github.com/avenga/couper/compare/1.3...master)
 
 Unreleased changes are available as `avenga/couper:edge` container.
 
+---
+
+## [1.3](https://github.com/avenga/couper/compare/1.2...1.3)
+
 * **Added**
   * Modifier (`set/add/remove_form_params`) for the form parameters ([#223](https://github.com/avenga/couper/pull/223))
   * Modifier (`set_response_status`) to be able to modify the response HTTP status code ([#250](https://github.com/avenga/couper/pull/250))
diff --git a/docs/REFERENCE.md b/docs/REFERENCE.md
index 9c7dc8c74..6d81154d3 100644
--- a/docs/REFERENCE.md
+++ b/docs/REFERENCE.md
@@ -1,4 +1,4 @@
-- [Reference](#reference)
+- [1.3 Reference](#13-reference)
   - [Block Reference](#block-reference)
     - [Server Block](#server-block)
     - [Files Block](#files-block)
@@ -37,7 +37,7 @@
     - [Form Parameter](#form-parameter)
     - [Path Parameter](#path-parameter)
 
-# Reference
+# 1.3 Reference
 
 ## Block Reference