diff --git a/Cargo.toml b/Cargo.toml
index 49f313b..c759576 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ diesel = { version = "1.4.8", features = ["mysql", "r2d2", "numeric"] }
 dotenv = "0.15.0"
 molecule = "0.7.2"
 serde = { version = "1.0", features = [ "derive" ] }
-sparse-merkle-tree = "0.5.3"
+sparse-merkle-tree = "0.6.0"
 ckb-types = "=0.104.0"
 ckb-jsonrpc-types = ">=0.104.0"
 parking_lot = "0.12.1"