diff --git a/Cargo.toml b/Cargo.toml
index e830fe3..cfb9348 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,3 +18,4 @@ serde_json = { version = "1.0.108", features = ["preserve_order"]}
 sp_client = { git = "https://github.com/Sosthene00/sp-client.git", branch = "4nk" }
 tsify = { git = "https://github.com/Sosthene00/tsify", branch = "next" }
 wasm-bindgen = "0.2.91"
+rs_merkle = "1.4.2"