diff --git a/schemas/v3.1/schema.json b/schemas/v3.1/schema.json
index 9f1524f4dc..0ec8148305 100644
--- a/schemas/v3.1/schema.json
+++ b/schemas/v3.1/schema.json
@@ -19,7 +19,10 @@
       "type": "array",
       "items": {
         "$ref": "#/$defs/server"
-      }
+      },
+      "default": [
+        { "url": "/" }
+      ]
     },
     "paths": {
       "$ref": "#/$defs/paths"
diff --git a/schemas/v3.1/schema.yaml b/schemas/v3.1/schema.yaml
index bf44567463..22df213d69 100644
--- a/schemas/v3.1/schema.yaml
+++ b/schemas/v3.1/schema.yaml
@@ -16,6 +16,8 @@ properties:
     type: array
     items:
       $ref: '#/$defs/server'
+    default:
+      - url: /
   paths:
     $ref: '#/$defs/paths'
   webhooks: