diff --git a/.circleci/config.yml b/.circleci/config.yml
index f894ac3..b6f1011 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,4 +1,6 @@
-version: 2
+version: 2.1
+orbs: 
+  macos: circleci/macos@2.5.2
 references:
   filter_master: &filter_master
     filters:
@@ -102,7 +104,6 @@ workflows:
   publish-pipeline:
     jobs:
       - version_validation:
-          requires:
           <<: *filter_master
       - publish:
           requires: