diff --git a/src/prelude.rs b/src/prelude.rs
index 0114027..5663462 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,4 +1,4 @@
 pub use crate::ffi::{DataType, Device};
-pub use crate::manager_ctx::ManagerCtx;
+pub use crate::manager_ctx::{CowIntArray, ManagerCtx};
 pub use crate::tensor::traits::{FromDLPack, TensorView, ToDLPack, ToTensor};
 pub use crate::tensor::ManagedTensor;