diff --git a/Cargo.toml b/Cargo.toml
index 38a1b14..3bff270 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,3 +37,4 @@ serde_json = "1.0.94"
 num-traits = "0.2.15"
 ark-relations = { version = "0.4.0", features = ["std", "tracing-subscriber"] }
 rs-poseidon = {git = "https://github.com/status-im/rs-poseidon" }
+rmpv = "1.0.1"