diff --git a/package.json b/package.json
index 48aeaba..4828cc3 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "dev": "ts-node src/index.ts",
     "start": "node dist/index.js",
     "test": "echo \"Error: no test specified\" && exit 1",
-    "deploy": "npx wrangler deploy src/worker.ts"
+    "deploy": "npx wrangler deploy src/worker.ts --var VERSION:$(git rev-parse --short HEAD)"
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20251014.0",
diff --git a/src/app.ts b/src/app.ts
index 03c7ca3..6b585f5 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -6,6 +6,7 @@ import type { Context } from 'hono';
 export interface AppConfig {
   sessionTimeout: number;
   corsOrigins: string[];
+  version?: string;
 }
 
 /**
@@ -54,7 +55,7 @@ export function createApp(storage: Storage, config: AppConfig) {
    */
   app.get('/', (c) => {
     return c.json({
-      version: process.env.RONDEVU_VERSION || 'unknown'
+      version: config.version || 'unknown'
     });
   });
 
diff --git a/src/index.ts b/src/index.ts
index 4fd9f4c..15b9d11 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -31,6 +31,7 @@ async function main() {
   const app = createApp(storage, {
     sessionTimeout: config.sessionTimeout,
     corsOrigins: config.corsOrigins,
+    version: process.env.RONDEVU_VERSION || 'unknown',
   });
 
   const server = serve({
diff --git a/src/worker.ts b/src/worker.ts
index f143237..5a86c26 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -8,6 +8,7 @@ export interface Env {
   DB: D1Database;
   SESSION_TIMEOUT?: string;
   CORS_ORIGINS?: string;
+  VERSION?: string;
 }
 
 /**
@@ -31,6 +32,7 @@ export default {
     const app = createApp(storage, {
       sessionTimeout,
       corsOrigins,
+      version: env.VERSION || 'unknown',
     });
 
     // Handle request
diff --git a/wrangler.toml b/wrangler.toml
index d8acc43..67acaab 100644
--- a/wrangler.toml
+++ b/wrangler.toml
@@ -12,6 +12,7 @@ database_id = "b94e3f71-816d-455b-a89d-927fa49532d0"
 [vars]
 SESSION_TIMEOUT = "300000"  # 5 minutes in milliseconds
 CORS_ORIGINS = "*"  # Comma-separated list of allowed origins
+VERSION = "unknown"  # Set to git commit hash before deploying
 
 # Build configuration
 [build]