diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4336918..a83bb1d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,12 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## Unreleased
-### Changed
+## [0.13.0] - 2025-02-24
 
 ### Added
+Set number of processes/threads through DRAMATIQ_NPROCS, DRAMATIQ_NTHREADS. ([m000], [#186])
 
-### Dropped
+[m000]: https://github.com/m000
+[#186]: https://github.com/Bogdanp/django_dramatiq/pull/186
 
 ## [0.12.0] - 2024-12-29
 ### Changed
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 0afba4b..0b8e53a 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -20,3 +20,5 @@ This file lists the contributors to the `Django Dramatiq` project.
 | [@OrazioPirataDelloSpazio](https://github.com/OrazioPirataDelloSpazio) | Lorenzo             |
 | [@timdrijvers](https://github.com/timdrijvers)                         | Tim Drijvers        |
 | [@magraeber](https://github.com/magraeber)                             | magraeber           |
+| [@andrewgy8](https://github.com/andrewgy8)                             | Andrew Graham-Yooll |
+| [@m000](https://github.com/m000)                                       | m000                |
diff --git a/django_dramatiq/__init__.py b/django_dramatiq/__init__.py
index ea370a8..f23a6b3 100644
--- a/django_dramatiq/__init__.py
+++ b/django_dramatiq/__init__.py
@@ -1 +1 @@
-__version__ = "0.12.0"
+__version__ = "0.13.0"