diff --git a/templates/zot/zot.service.j2 b/templates/zot/zot.service.j2
index 80d7798..ecc70bf 100644
--- a/templates/zot/zot.service.j2
+++ b/templates/zot/zot.service.j2
@@ -10,8 +10,8 @@ Restart=on-failure
 User=root
 Group=root
 LimitNOFILE=500000
-MemoryHigh=1G
-MemoryMax=2G
+MemoryHigh=512M
+MemoryMax=1536M
 
 [Install]
 WantedBy=multi-user.target