diff --git a/server.js b/server.js
index 67da0aa..8a79861 100644
--- a/server.js
+++ b/server.js
@@ -48,7 +48,9 @@ app.post('/api/chat', async (req, res) => {
                 'Content-Type': 'application/json',
                 'Authorization': `Bearer ${accessToken}`,
                 'anthropic-version': '2023-06-01',
-                'anthropic-beta': 'oauth-2025-04-20',
+                'anthropic-beta': 'claude-code-20250219,oauth-2025-04-20,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14',
+                'x-app': 'cli',
+                'User-Agent': 'claude-cli/2.1.114',
             },
             body: JSON.stringify({
                 model: modelId,