diff --git a/src/traits/ZodSchemaObject.ts b/src/traits/ZodSchemaObject.ts
index e5ddb0c..54a3601 100644
--- a/src/traits/ZodSchemaObject.ts
+++ b/src/traits/ZodSchemaObject.ts
@@ -1,5 +1,5 @@
 import { ImplStatic, trait } from "@thilawyn/traitify-ts"
-import { Class, HasRequiredKeys } from "type-fest"
+import { AbstractClass, Class, HasRequiredKeys } from "type-fest"
 import { z } from "zod"
 import { StaticMembers, parseZodSchemaEffect, stripZodObjectDefaults } from "../util"
 
@@ -83,6 +83,15 @@ export const ZodSchemaObject = <
                     params,
                 )
             }
+
+
+            static extend<
+                Self extends AbstractClass<ZodSchemaObject> & ImplStatic<typeof ZodSchemaObject>
+            >(
+                this: Self
+            ) {
+
+            }
         }
 
         return ZodSchemaObject as Class<ZodSchemaObject & Values> & StaticMembers<typeof ZodSchemaObject>