diff --git a/deployments/data100/config/common.yaml b/deployments/data100/config/common.yaml
index 23714c820..346013077 100644
--- a/deployments/data100/config/common.yaml
+++ b/deployments/data100/config/common.yaml
@@ -56,8 +56,8 @@ jupyterhub:
           subPath: _shared
           readOnly: true
     memory:
-      guarantee: 4G
-      limit: 4G
+      guarantee: 2G
+      limit: 2G
     image: {}
 
   custom: