diff --git a/src/tools/image-gen.ts b/src/tools/image-gen.ts
index 2b5baee..4dc12f0 100644
--- a/src/tools/image-gen.ts
+++ b/src/tools/image-gen.ts
@@ -6,7 +6,7 @@
 
 const API_KEY = process.env.GOOGLE_AI_API_KEY;
 const OUTPUT_DIR = '/mnt/work/tmp/image-gen';
-const MODEL = 'imagen-3.0-generate-002';
+const MODEL = 'imagen-4.0-generate-001';
 
 async function generateImage(prompt: string): Promise<string> {
   if (!API_KEY) throw new Error('Missing GOOGLE_AI_API_KEY in .env');