diff --git a/camp_fin/management/commands/_cache_get_patch.py b/camp_fin/management/commands/_cache_get_patch.py
index 5e8283c..1b6a7de 100644
--- a/camp_fin/management/commands/_cache_get_patch.py
+++ b/camp_fin/management/commands/_cache_get_patch.py
@@ -5,7 +5,7 @@
 
 def cache_func(func):
     @functools.wraps(func)
-    @functools.lru_cache(maxsize=None)
+    @functools.lru_cache(maxsize=1024)
     def with_cache(self, *args, **kwargs):
         return func(self, *args, **kwargs)