diff --git a/.cursor-plugin/plugin.json b/.cursor-plugin/plugin.json
index ae1c8a6..1b1a07a 100644
--- a/.cursor-plugin/plugin.json
+++ b/.cursor-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "docker-developer-tools",
   "displayName": "Docker Developer Tools",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Docker and container workflows for Cursor, Claude Code, and MCP-compatible editors - 17 skills, 10 rules, and 150 MCP tools for building, debugging, optimizing, and managing Docker containers, images, networks, and volumes. Includes a companion MCP server (docker-mcp) for live Docker CLI integration.",
   "author": {
     "name": "TMHSDigital",
diff --git a/.release-doc-sync b/.release-doc-sync
deleted file mode 160000
index b05e0f0..0000000
--- a/.release-doc-sync
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b05e0f055fb3e7efe9c23a1a58c17ccbe6942540
diff --git a/.smoke-test-marker b/.smoke-test-marker
deleted file mode 100644
index 02f0922..0000000
--- a/.smoke-test-marker
+++ /dev/null
@@ -1 +0,0 @@
-Phase 2b smoke-test trigger marker. Will be removed after release.yml verifies release-doc-sync@v1.0 end-to-end. Refs DTD#5.
diff --git a/.v182-verify-marker b/.v182-verify-marker
new file mode 100644
index 0000000..ef6154e
--- /dev/null
+++ b/.v182-verify-marker
@@ -0,0 +1 @@
+v1.8.2 verification marker - safe to delete after release
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58051d6..bba340c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.3.1] - 2026-04-25
+
+See [release notes](https://github.com/TMHSDigital/Docker-Developer-Tools/releases/tag/v1.3.1) for details.
+
 ## [1.3.0] - 2026-04-25
 
 See [release notes](https://github.com/TMHSDigital/Docker-Developer-Tools/releases/tag/v1.3.0) for details.
diff --git a/CLAUDE.md b/CLAUDE.md
index c5355e2..5f05e26 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -12,7 +12,7 @@ Docker Developer Tools integrates Docker and container workflows into AI-assiste
 
 This is a monorepo - the skills, rules, and companion MCP server live in the same repository. Docker's API is local (Docker Engine socket / CLI), so one repo is simpler for users to install and maintain.
 
-**Version:** 1.3.0
+**Version:** 1.3.1
 **License:** CC-BY-NC-ND-4.0
 **Author:** TMHSDigital
 
diff --git a/README.md b/README.md
index 145aaf6..9169691 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/TMHSDigital/Docker-Developer-Tools/releases/latest"><img src="https://img.shields.io/badge/version-1.3.0-0db7ed?style=flat-square" alt="Version" /></a>
+  <a href="https://github.com/TMHSDigital/Docker-Developer-Tools/releases/latest"><img src="https://img.shields.io/badge/version-1.3.1-0db7ed?style=flat-square" alt="Version" /></a>
   <a href="https://github.com/TMHSDigital/Docker-Developer-Tools/releases/latest"><img src="https://img.shields.io/github/v/release/TMHSDigital/Docker-Developer-Tools?style=flat-square&color=0db7ed&label=release" alt="Release" /></a>
   <a href="https://www.npmjs.com/package/@tmhs/docker-mcp"><img src="https://img.shields.io/npm/v/@tmhs/docker-mcp?style=flat-square&color=066da5&label=npm" alt="npm" /></a>
   <a href="LICENSE"><img src="https://img.shields.io/badge/license-CC--BY--NC--ND--4.0-384d54?style=flat-square" alt="License" /></a>