diff --git a/changelog.md b/changelog.md
index fc4ea8f..ceaa21a 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 2025-10-23 - 5.1.10 - fix(config)
+Synchronize deno.json version with package.json, tidy formatting, and add local tooling settings
+
+- Bumped deno.json version to 5.1.9 to match package.json/commitinfo
+- Reformatted deno.json arrays (lint, fmt, compilerOptions) for readability
+- Added .claude/settings.local.json for local development/tooling permissions (no runtime behaviour changes)
+
 ## 2025-10-23 - 5.1.9 - fix(dev)
 Add local assistant permissions/settings file (.claude/settings.local.json)
 
diff --git a/deno.json b/deno.json
index 759c885..a90f92f 100644
--- a/deno.json
+++ b/deno.json
@@ -1,6 +1,6 @@
 {
   "name": "@serve.zone/nupst",
-  "version": "5.1.8",
+  "version": "5.1.9",
   "exports": "./mod.ts",
   "nodeModulesDir": "auto",
   "tasks": {
@@ -15,7 +15,9 @@
   },
   "lint": {
     "rules": {
-      "tags": ["recommended"]
+      "tags": [
+        "recommended"
+      ]
     }
   },
   "fmt": {
@@ -26,7 +28,9 @@
     "singleQuote": true
   },
   "compilerOptions": {
-    "lib": ["deno.window"],
+    "lib": [
+      "deno.window"
+    ],
     "strict": true
   },
   "imports": {
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index bcb8d40..93087d6 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/nupst',
-  version: '5.1.9',
+  version: '5.1.10',
   description: 'Network UPS Shutdown Tool - Monitor SNMP-enabled UPS devices and orchestrate graceful system shutdowns during power emergencies'
 }