diff --git a/schemas/compat-data.schema.json b/schemas/compat-data.schema.json
index 32144c1fc652c6..0db111b7f05171 100644
--- a/schemas/compat-data.schema.json
+++ b/schemas/compat-data.schema.json
@@ -156,6 +156,7 @@
             },
             {
               "type": "array",
+              "minItems": 2,
               "items": {
                 "type": "string",
                 "format": "uri",