diff --git a/cumulusci/cumulusci.yml b/cumulusci/cumulusci.yml
index 88bae41036..0f02640d94 100644
--- a/cumulusci/cumulusci.yml
+++ b/cumulusci/cumulusci.yml
@@ -1496,7 +1496,7 @@ project:
         namespace:
         install_class:
         uninstall_class:
-        api_version: "65.0"
+        api_version: "66.0"
     git:
         default_branch: master
         prefix_feature: feature/