diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml
index 0f0b93e7..dc6638aa 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -31,6 +31,7 @@ body:
       label: Version
       description: What version of our software are you running?
       options:
+        - v0.13.x
         - v0.12.x
         - v0.11.x
         - v0.10.x or lower
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53792aee..44ebb9c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,21 @@
 
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.13.1] - 2025-07-16
+
+If you are upgrading from v0.11.x or v0.12.x, this version includes **breaking changes** to the message queue and MTA configuration. Please read the [UPGRADING.md](https://github.com/stalwartlabs/stalwart/blob/main/UPGRADING.md) file for more information on how to upgrade from previous versions.
+
+## Added
+- ACME: DigitalOcean cloud DNS provider support (closes #1667).
+
+## Changed
+
+## Fixed
+- Migration: Old queue events not deleted causing high CPU usage in some deployments (#1833).
+- MTA: `mta-sts` setting parsing issue (#1830).
+- JMAP: `sortOrder` should not be null (#1831).
+- Allow invalid TOML when parsing database settings (#1822).
+
 ## [0.13.0] - 2025-07-15
 
 If you are upgrading from v0.11.x or v0.12.x, this version includes **breaking changes** to the message queue and MTA configuration. Please read the [UPGRADING.md](https://github.com/stalwartlabs/stalwart/blob/main/UPGRADING.md) file for more information on how to upgrade from previous versions.
diff --git a/SECURITY.md b/SECURITY.md
index 5c5287e0..42b0e4b8 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -6,7 +6,8 @@ We provide security updates for the following versions of Stalwart:
 
 | Version | Supported          | End of Support |
 | ------- | ------------------ | -------------- |
-| 0.12.x  | :white_check_mark: | TBD            |
+| 0.13.x  | :white_check_mark: | TBD            |
+| 0.12.x  | :white_check_mark: | 2025-12-31     |
 | 0.11.x  | :white_check_mark: | 2025-12-31     |
 | < 0.11  | :x:                | Ended          |