Update Cargo.toml

Author: tomt1664

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "multi-party-ecdsa"
-version = "0.3.7"
+version = "0.3.9"
 edition = "2018"
 authors = [
     "Gary <gary@kzencorp.com>",
@@ -37,12 +37,12 @@ zeroize = "1.3.0"
 
 [dependencies.curv]
 git = "https://github.com/commerceblock/curv"
-tag = "v0.2.7"
+tag = "v0.2.8"
 features = ["ec_secp256k1"]
 
 [dependencies.centipede]
 git = "https://github.com/commerceblock/centipede"
-tag = "v0.2.7"
+tag = "v0.2.8"
 
 [dependencies.class_group]
 git = "https://github.com/KZen-networks/class"