diff --git a/CITATION.cff b/CITATION.cff
index 2deba93c..74c0b339 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -35,5 +35,5 @@ keywords:
   - multi-agent
   - ai-coordination
 license: MPL-2.0
-version: 0.4.7
-date-released: "2026-04-27"
+version: 0.5.0
+date-released: "2026-10-07"
diff --git a/Justfile b/Justfile
index 4667d55c..5ebef422 100644
--- a/Justfile
+++ b/Justfile
@@ -19,7 +19,7 @@ import? "contractile.just"
 
 # Project metadata — customize these
 project := "Bundle of Joy Server"
-version := "0.4.6"
+version := "0.5.0"
 tier := "infrastructure"  # 1 | 2 | infrastructure
 
 # ═══════════════════════════════════════════════════════════════════════════════
diff --git a/README.adoc b/README.adoc
index c8a8b916..5601f854 100644
--- a/README.adoc
+++ b/README.adoc
@@ -208,7 +208,7 @@ Most cartridges (GitHub/GitLab, cloud, ML, browser, CodeSeeker, etc.) call the B
 . *Inspectable mode only* — without the backend, `boj++_++health`, `boj++_++menu`, `boj++_++cartridges`, and `boj++_++cartridge++_++info` still respond from the offline manifest, so any MCP client can introspect the server. Side-effectful tools return `++{++error, hint}` until the backend is up.
 
 ____
-*Note on versions:* when the backend is offline, `boj++_++health` may report a placeholder backend version (`0.1.0`) from the bundled offline manifest — this is the manifest's hardcoded value, not the npm package version (`0.4.7`). The MCP bridge itself reports `0.4.7` at `initialize`.
+*Note on versions:* when the backend is offline, `boj++_++health` may report a placeholder backend version (`0.1.0`) from the bundled offline manifest — this is the manifest's hardcoded value, not the npm package version (`0.5.0`). The MCP bridge itself reports `0.5.0` at `initialize`.
 ____
 
 The coordination bus (`local-coord-mcp`) is a separate localhost service, default `http://127.0.0.1:7745` (`COORD++_++BACKEND++_++URL`).
diff --git a/README.md b/README.md
index 03586acc..158d7cd2 100644
--- a/README.md
+++ b/README.md
@@ -202,7 +202,7 @@ Most cartridges (GitHub/GitLab, cloud, ML, browser, CodeSeeker, etc.) call the B
 
 2.  **Inspectable mode only** — without the backend, `boj_health`, `boj_menu`, `boj_cartridges`, and `boj_cartridge_info` still respond from the offline manifest, so any MCP client can introspect the server. Side-effectful tools return `{error, hint}` until the backend is up.
 
-> **Note on versions:** when the backend is offline, `boj_health` may report a placeholder backend version (`0.1.0`) from the bundled offline manifest — this is the manifest’s hardcoded value, not the npm package version (`0.4.7`). The MCP bridge itself reports `0.4.7` at `initialize`.
+> **Note on versions:** when the backend is offline, `boj_health` may report a placeholder backend version (`0.1.0`) from the bundled offline manifest — this is the manifest’s hardcoded value, not the npm package version (`0.5.0`). The MCP bridge itself reports `0.5.0` at `initialize`.
 
 The coordination bus (`local-coord-mcp`) is a separate localhost service, default `http://127.0.0.1:7745` (`COORD_BACKEND_URL`).
 
diff --git a/docs/specification/openapi.yaml b/docs/specification/openapi.yaml
index 07ed528b..38157823 100644
--- a/docs/specification/openapi.yaml
+++ b/docs/specification/openapi.yaml
@@ -11,7 +11,7 @@ openapi: 3.1.0
 
 info:
   title: BoJ Server REST API
-  version: 0.4.7
+  version: 0.5.0
   summary: Formally verified cartridge server for cloud infrastructure, databases, git, containers, and more.
   description: |
     BoJ (Bundle of Joy) Server is a cartridge-based infrastructure management
diff --git a/gemini-extension.json b/gemini-extension.json
index f722bc0c..9c7078ac 100644
--- a/gemini-extension.json
+++ b/gemini-extension.json
@@ -1,6 +1,6 @@
 {
   "name": "boj-server",
-  "version": "0.4.7",
+  "version": "0.5.0",
   "description": "Unified Gemini extension for the BoJ (Bundle of Joy) Server infrastructure.",
   "author": "Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>",
   "mcpServers": {
diff --git a/glama.json b/glama.json
index 0ea98c82..f685f07d 100644
--- a/glama.json
+++ b/glama.json
@@ -66,7 +66,7 @@
       "OTEL_SERVICE_VERSION": {
         "type": "string",
         "description": "Service version attribute on emitted spans.",
-        "default": "0.4.7"
+        "default": "0.5.0"
       },
       "OTEL_BATCH_MS": {
         "type": "string",
diff --git a/jsr.json b/jsr.json
index 8eed6017..2037ccbc 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@hyperpolymath/boj-server",
-  "version": "0.4.7",
+  "version": "0.5.0",
   "description": "Bundle of Joy — cartridge-based MCP server with 125 domain cartridges, formally verified (Idris2) coord core",
   "license": "MPL-2.0",
   "exports": "./mcp-bridge/main.js",
diff --git a/mcp-bridge/lib/otel.js b/mcp-bridge/lib/otel.js
index 4cf0e21c..173da3d0 100644
--- a/mcp-bridge/lib/otel.js
+++ b/mcp-bridge/lib/otel.js
@@ -26,7 +26,7 @@ import { env } from "./runtime.js";
 
 const ENDPOINT = env.get("OTEL_EXPORTER_OTLP_ENDPOINT") ?? "";
 const SERVICE_NAME = env.get("OTEL_SERVICE_NAME") ?? "boj-server";
-const SERVICE_VERSION = env.get("OTEL_SERVICE_VERSION") ?? "0.4.7";
+const SERVICE_VERSION = env.get("OTEL_SERVICE_VERSION") ?? "0.5.0";
 const BATCH_MS = parseInt(env.get("OTEL_BATCH_MS") ?? "5000", 10) || 5000;
 const HEADERS_RAW = env.get("OTEL_EXPORTER_OTLP_HEADERS") ?? "";
 
diff --git a/mcp-bridge/lib/version.js b/mcp-bridge/lib/version.js
index 0bf66a70..a27397a6 100644
--- a/mcp-bridge/lib/version.js
+++ b/mcp-bridge/lib/version.js
@@ -4,4 +4,4 @@
 // Single source of truth for server version and name.
 
 export const SERVER_NAME = "boj-server";
-export const SERVER_VERSION = "0.4.7";
+export const SERVER_VERSION = "0.5.0";