diff --git a/.codecarto/workflow/scaffold-version.yaml b/.codecarto/workflow/scaffold-version.yaml
index 91c1d76..1fc04bb 100644
--- a/.codecarto/workflow/scaffold-version.yaml
+++ b/.codecarto/workflow/scaffold-version.yaml
@@ -3,4 +3,4 @@
 # workspace's framework-owned files (GUIDE.md, templates/, workflow/ pipelines
 # and VALIDATE.md) predate the running release. Written at release time and
 # copied verbatim by init — never edit by hand.
-scaffold_version: 0.19.3
+scaffold_version: 0.19.4
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e70b817..f972e1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to this project are documented here. 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).
 
-## [Unreleased]
+## [0.19.4] — 2026-09-10
 
 ### Fixed
 
@@ -763,7 +763,8 @@ Initial public release under the MIT license.
 - Node 20+ is required.
 - The Pi runtime and `@sinclair/typebox` are peer dependencies — install them in your host environment, not as direct dependencies of this package.
 
-[Unreleased]: https://github.com/HuginnIndustries/CodeCartographer/compare/v0.19.3...HEAD
+[Unreleased]: https://github.com/HuginnIndustries/CodeCartographer/compare/v0.19.4...HEAD
+[0.19.4]: https://github.com/HuginnIndustries/CodeCartographer/compare/v0.19.3...v0.19.4
 [0.19.3]: https://github.com/HuginnIndustries/CodeCartographer/compare/v0.19.2...v0.19.3
 [0.19.2]: https://github.com/HuginnIndustries/CodeCartographer/compare/v0.19.1...v0.19.2
 [0.9.1]: https://github.com/HuginnIndustries/CodeCartographer/compare/v0.9.0...v0.9.1
diff --git a/package-lock.json b/package-lock.json
index a501538..81137fb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "codecartographer-pi",
-  "version": "0.19.3",
+  "version": "0.19.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codecartographer-pi",
-      "version": "0.19.3",
+      "version": "0.19.4",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0"
diff --git a/package.json b/package.json
index 4e2ba3b..0f5eb98 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codecartographer-pi",
-  "version": "0.19.3",
+  "version": "0.19.4",
   "mcpName": "io.github.HuginnIndustries/codecartographer",
   "description": "Turn an unfamiliar codebase into a validated reimplementation spec, then synthesize confirmed specs and a product vision into a traceable plan.",
   "type": "module",
diff --git a/server.json b/server.json
index 1ee15d5..3ec3e83 100644
--- a/server.json
+++ b/server.json
@@ -8,12 +8,12 @@
     "url": "https://github.com/HuginnIndustries/CodeCartographer",
     "source": "github"
   },
-  "version": "0.19.3",
+  "version": "0.19.4",
   "packages": [
     {
       "registryType": "npm",
       "identifier": "codecartographer-pi",
-      "version": "0.19.3",
+      "version": "0.19.4",
       "transport": {
         "type": "stdio"
       }