diff --git a/README.md b/README.md
index 797b584..df1799a 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ The firmware itself is intended to stay vehicle-agnostic.
 
 ## Current Version
 
-    0.4.0
+    0.5.0
 
 ## What It Does
 
diff --git a/docs/API.md b/docs/API.md
index 18f247f..2e29024 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -19,7 +19,7 @@ All documented endpoints are local-first and must continue to work without inter
 Current firmware version:
 
 ```text
-0.4.0
+0.5.0
 ```
 
 ## Current Endpoints
@@ -91,7 +91,7 @@ Returns a lightweight liveness response for dashboards and service tools.
   "ok": true,
   "api_version": "v1",
   "firmware_name": "overland-controller",
-  "firmware_version": "0.4.0",
+  "firmware_version": "0.5.0",
   "uptime_seconds": 123,
   "network": {
     "ap_enabled": true,
@@ -120,7 +120,7 @@ Returns API and feature discovery data for clients.
   "ok": true,
   "api_version": "v1",
   "firmware_name": "overland-controller",
-  "firmware_version": "0.4.0",
+  "firmware_version": "0.5.0",
   "endpoints": [
     "GET /api/v1/status",
     "POST /api/v1/relay/set"
@@ -319,7 +319,7 @@ The AP remains enabled even when STA WiFi is configured or connected.
 ```json
 {
   "firmware_name": "overland-controller",
-  "firmware_version": "0.4.0",
+  "firmware_version": "0.5.0",
   "build_date": "Jun  7 2026",
   "build_time": "12:00:00",
   "uptime_seconds": 123
@@ -472,7 +472,7 @@ Important: export includes saved WiFi passwords so the backup can be restored. T
   "ok": true,
   "api_version": "v1",
   "firmware_name": "overland-controller",
-  "firmware_version": "0.4.0",
+  "firmware_version": "0.5.0",
   "config": {
     "device_name": "Overland Controller",
     "temperature_sensor_count": 4,
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index d1dad89..77b3c3b 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,27 @@
 # Changelog
 
+## 0.5.0 - 2026-06-08
+
+### Added
+- WPA2 AP configuration API and WebUI controls.
+- AP reset recovery action with regenerated password.
+- Status API field filtering for smaller dashboard/WebUI payloads.
+- Config page subtabs for General, WiFi/AP, Relays, Temperatures, BMS, and Maintenance.
+- Relay button state/command feedback in the WebUI.
+- Optional Cargo OLED display scaffold.
+- GPIO plan assigning OLED I2C to GPIO 21/22 and setup button to GPIO 25.
+
+### Changed
+- Dashboard communication direction is now WiFi/HTTP API.
+- Retired active dashboard UART pin usage.
+- Improved WebUI visual styling, mobile temperature settings layout, and config form behavior during polling.
+- Removed vehicle-specific branding from active project docs/examples.
+
+### Fixed
+- Config inputs no longer get overwritten while typing during polling.
+- Temperature config lookup remains available outside disabled UART code.
+- Misleading WebUI connection badge text.
+
 ## 0.4.0 - 2026-06-04
 
 ### Added
diff --git a/docs/CHATGPT_HANDOFF.md b/docs/CHATGPT_HANDOFF.md
index 15f5ae7..659582f 100644
--- a/docs/CHATGPT_HANDOFF.md
+++ b/docs/CHATGPT_HANDOFF.md
@@ -39,7 +39,7 @@ The assistant should treat the Cargo ESP32 firmware and primary docs as the sour
 Current firmware version:
 
 ```text
-0.4.0
+0.5.0
 ```
 
 Current architecture:
diff --git a/docs/project-state.md b/docs/project-state.md
index f5c2ecb..d8ee596 100644
--- a/docs/project-state.md
+++ b/docs/project-state.md
@@ -6,7 +6,7 @@ Last updated: 2026-06-07
 
 Current firmware version:
 
-    0.4.0
+    0.5.0
 
 ## Current Architecture
 
diff --git a/firmware/esp32/overland-controller/system_status.h b/firmware/esp32/overland-controller/system_status.h
index 7256fe4..916b9db 100644
--- a/firmware/esp32/overland-controller/system_status.h
+++ b/firmware/esp32/overland-controller/system_status.h
@@ -1,4 +1,4 @@
 #pragma once
 
-#define FIRMWARE_VERSION "0.4.0"
+#define FIRMWARE_VERSION "0.5.0"
 #define FIRMWARE_NAME "overland-controller"