diff --git a/{{cookiecutter.project_slug}}/dev.yml b/{{cookiecutter.project_slug}}/dev.yml
index 899ad8a98..122dea449 100644
--- a/{{cookiecutter.project_slug}}/dev.yml
+++ b/{{cookiecutter.project_slug}}/dev.yml
@@ -1,4 +1,4 @@
-on: '2'
+version: '2'
 
 volumes:
   postgres_data_dev: {}