diff --git a/roles/koschei/backend/templates/config-backend.cfg.j2 b/roles/koschei/backend/templates/config-backend.cfg.j2
index 78fd657775..608cf3b405 100644
--- a/roles/koschei/backend/templates/config-backend.cfg.j2
+++ b/roles/koschei/backend/templates/config-backend.cfg.j2
@@ -43,7 +43,7 @@ config = {
         "resolver_queue_size": 100,
         "dependency_fetch_chunk_size": 150,
         "dependency_cache_capacity": 50000,
-        "cache_l2_capacity": 70,
+        "cache_l2_capacity": 50,
         "ignore_weak_deps": True,
     },
     "services": {