diff --git a/himalaya.info.yml b/himalaya.info.yml
index 075d653..fc70ef5 100644
--- a/himalaya.info.yml
+++ b/himalaya.info.yml
@@ -1,6 +1,5 @@
 name: Himalaya
 type: theme
-base theme: classy
 description: 'A Himalaya theme is  flexible, recolorable theme with many regions and a responsive, mobile-first layout.'
 package: Custom
 # version: VERSION
@@ -26,6 +25,7 @@ regions:
 
 # Information added by Drupal.org packaging script on 2015-11-09
 version: '8.x-5.x-dev'
-core: '8.x'
+core_version_requirement: ^8 || ^9 || ^10
+base theme: olivero
 project: 'himalaya'
 datestamp: 1447044549