diff --git a/src/typescript-ioc.ts b/src/typescript-ioc.ts
index ef939ee..42b3be3 100644
--- a/src/typescript-ioc.ts
+++ b/src/typescript-ioc.ts
@@ -16,6 +16,7 @@ export { BuildContext };
 export { Scope };
 export { ContainerConfiguration };
 export { ConstantConfiguration };
+export { NamespaceConfiguration };
 export { Inject, Factory, Singleton, Scoped, OnlyInstantiableByContainer, InRequestScope, InjectValue } from './decorators';
 export { Snapshot };