diff --git a/aggregator.py b/aggregator.py
index 719adad..c0eba2e 100644
--- a/aggregator.py
+++ b/aggregator.py
@@ -63,7 +63,7 @@ _background_tasks: List[asyncio.Task] = []
 _links_cache: Dict[str, Tuple[List[str], float]] = {}
 _traffic_cache: Dict[str, Tuple[Dict, float]] = {}
 CACHE_TTL_TRAFFIC = 120
-CACHE_TTL_LINKS = 3600
+CACHE_TTL_LINKS = 1200
 
 # Server health tracking
 _server_health: Dict[str, bool] = {}