diff --git a/.changeset/rich-guests-serve.md b/.changeset/rich-guests-serve.md
new file mode 100644
index 00000000..0e286c10
--- /dev/null
+++ b/.changeset/rich-guests-serve.md
@@ -0,0 +1,5 @@
+---
+"@ckb-lumos/lumos": minor
+---
+
+feat: export missing `HashType`, `Byte32` and `DepType` for `blockchain`