diff --git a/Cargo.toml b/Cargo.toml
index 0b30e05..dd4a96d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ blake2 = "0.10.6"
 ethereum-types = "0.14.0"
 itertools = "0.12.0"
 tiny-keccak = { version = "2.0.0", features = ["keccak"] }
-secp256k1 = { version = "0.27.0", features = [ "recovery" ] }
+secp256k1 = { version = "0.28.0", features = [ "recovery" ] }
 tiny-bip39 = "1.0.0"
 ethabi = "18.0.0"
 rustc-hex = "2.1.0"