diff --git a/frontend/api_client.py b/frontend/api_client.py
index 3587da3..4425bd5 100644
--- a/frontend/api_client.py
+++ b/frontend/api_client.py
@@ -15,7 +15,7 @@ from typing import Optional
 
 BACKEND_URL = os.getenv("BACKEND_URL", "http://10.2.0.2:9000")
 TIMEOUT = 30
-ANALYZE_TIMEOUT = 120  # guestfish needs time to probe large disk images
+ANALYZE_TIMEOUT = 300  # guestfish needs time to probe large disk images
 
 
 class ApiError(Exception):