diff --git a/flatbuffers-verifier/Cargo.toml b/flatbuffers-verifier/Cargo.toml
index af67ee5..835b4b7 100644
--- a/flatbuffers-verifier/Cargo.toml
+++ b/flatbuffers-verifier/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flatbuffers-verifier"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Nervos Core Dev <dev@nervos.org>"]
 repository = "https://github.com/nervosnetwork/cfb"
 categories = ["data-structures", "encoding", "memory-management"]