diff --git a/action.yml b/action.yml
index f38b423..2848427 100644
--- a/action.yml
+++ b/action.yml
@@ -1,3 +1,5 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-action.json
+
 name: 'SQLDef Preview'
 description: 'Preview how sqldef migration performs in pull requests'
 author: 'The sqldef team'