diff --git a/src/lib.ts b/src/lib.ts
index 593f780..8d3cdc8 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -1,5 +1,6 @@
 export { JsonifiedZodSchemaClass } from "./JsonifiedZodSchemaClass"
 export { ZodSchemaClass } from "./ZodSchemaClass"
+export { ExtendableZodSchemaObject } from "./traits/ExtendableZodSchemaObject"
 export { JsonifiedZodSchemaObject } from "./traits/JsonifiedZodSchemaObject"
 export { MobXObservableZodSchemaObject } from "./traits/MobXObservableZodSchemaObject"
 export { ZodSchemaObject, ZodSchemaObjectTrait } from "./traits/ZodSchemaObject"