diff --git a/package.json b/package.json
index eea84cc..589d279 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vice-mcp",
-  "version": "0.1.0",
+  "version": "1.0.1",
   "description": "MCP server for autonomous C64 debugging via VICE emulator",
   "type": "module",
   "main": "dist/index.js",
diff --git a/src/index.ts b/src/index.ts
index b28f26b..7ce9352 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -16,11 +16,16 @@ import {
   getLabelForAddress,
 } from "./utils/index.js";
 
+const VERSION = "1.0.1";
+
 const server = new McpServer({
   name: "vice-mcp",
-  version: "0.1.0",
+  version: VERSION,
 });
 
+// Log version to stderr for debugging (MCP uses stdout for protocol)
+console.error(`[vice-mcp] Starting v${VERSION}`);
+
 const client = getViceClient();
 
 // Helper to format tool responses with _meta context