diff --git a/basehub/values.yaml.j2 b/basehub/values.yaml.j2
index 125eb93..8c7314a 100644
--- a/basehub/values.yaml.j2
+++ b/basehub/values.yaml.j2
@@ -19,11 +19,11 @@ jupyterhub:
         extraEnv:
             JUPYTERHUB_SINGLEUSER_APP: notebook.notebookapp.NotebookApp
         cpu:
-            guarantee: 1
-            limit: 2
+            guarantee: 1.5
+            limit: 1.5
         memory:
             guarantee: 4G
-            limit: 8G
+            limit: 4G
         storage:
             type: none  # user don't have persistent storage, the data will be lost after the pod is deleted
             extraVolumes: