diff --git a/package-lock.json b/package-lock.json
index 344efac..366dc07 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,16 +1,17 @@
 {
   "name": "codesys-mcp-sp21-plus",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codesys-mcp-sp21-plus",
-      "version": "0.9.0",
+      "version": "0.9.1",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.26.0",
         "commander": "^11.1.0",
+        "diff": "^5.2.2",
         "ink": "^5.2.1",
         "react": "^18.3.1",
         "ssh2": "^1.17.0",
@@ -27,7 +28,6 @@
         "@types/react": "^18.3.28",
         "@types/ssh2": "^1.15.5",
         "@types/uuid": "^9.0.0",
-        "diff": "^5.2.2",
         "ink-testing-library": "^4.0.0",
         "tsx": "^4.21.0",
         "typescript": "^5.5.3",
@@ -1660,7 +1660,6 @@
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/diff/-/diff-5.2.2.tgz",
       "integrity": "sha512-vtcDfH3TOjP8UekytvnHH1o1P4FcUdt4eQ1Y+Abap1tk/OB2MWQvcwS2ClCd1zuIhc3JKOx6p3kod8Vfys3E+A==",
-      "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.3.1"
diff --git a/package.json b/package.json
index 61d3097..c8453a1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codesys-mcp-sp21-plus",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "description": "Codesys-MCP-SP21+ -- fork of luke-harriman/Codesys-MCP carrying CODESYS V3.5 SP22 Patch 1 fixes (and forward-compat with later SPs): script-engine API drift, online/runtime tool auto-login, dual-SHA release classifier, set_pou_code omitted-decl wipe fix, add_library managed-overload, etc. MCP server for CODESYS with persistent UI instance and file-based IPC.",
   "main": "dist/server.js",
   "bin": {
@@ -41,6 +41,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.26.0",
     "commander": "^11.1.0",
+    "diff": "^5.2.2",
     "ink": "^5.2.1",
     "react": "^18.3.1",
     "ssh2": "^1.17.0",
@@ -53,7 +54,6 @@
     "@types/react": "^18.3.28",
     "@types/ssh2": "^1.15.5",
     "@types/uuid": "^9.0.0",
-    "diff": "^5.2.2",
     "ink-testing-library": "^4.0.0",
     "tsx": "^4.21.0",
     "typescript": "^5.5.3",