diff --git a/tests/schemas/contact_v1.cue b/tests/schemas/contact_v1.cue
index fc41f4f..04ec718 100755
--- a/tests/schemas/contact_v1.cue
+++ b/tests/schemas/contact_v1.cue
@@ -7,6 +7,8 @@
 	#Contact: {
 		_model: {
 			plural: "contacts"
+			supportedExtensions: ["yaml", "yml", "md", "mdx"]
+
 		}
 
 		name:    #Name