diff --git a/utils/cache.py b/utils/cache.py
index 9f8eee6..4baf97b 100644
--- a/utils/cache.py
+++ b/utils/cache.py
@@ -188,9 +188,11 @@ class CacheManager:
             
         try:
             pattern = f"{prefix}:*"
-            keys = await client.keys(pattern)
-            if keys:
-                deleted = await client.delete(*keys)
+            keys_to_delete = []
+            async for key in client.scan_iter(match=pattern):
+                keys_to_delete.append(key)
+            if keys_to_delete:
+                deleted = await client.delete(*keys_to_delete)
                 logger.info(f"Cleared {deleted} cache keys with prefix '{prefix}'")
                 return deleted
         except Exception as e: