diff --git a/values-aliyun.yaml b/values-aliyun.yaml
index 689713a1d33e14835825dd4c6f41f121da0d9ea1..03d380963effae3c9a85c878fe2c93312f497dde 100644
--- a/values-aliyun.yaml
+++ b/values-aliyun.yaml
@@ -73,7 +73,7 @@ clair:
     tag: v2.0.6
   resources:
     limits:
-      memory: 256Mi
+      memory: 512Mi
       cpu: 200m
     requests:
       memory: 128Mi