diff --git a/Cargo.toml b/Cargo.toml
index 5b6fbc6..3130049 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "redis_hnsw"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Zhao Lang <eltoshan@gmail.com>"]
 edition = "2018"