diff --git a/Package.resolved b/Package.resolved
index c4286cb..37e3def 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -23,8 +23,8 @@
         "package": "curvelib.swift",
         "repositoryURL": "https://github.com/tkey/curvelib.swift",
         "state": {
-          "branch": "refactor",
-          "revision": "3477abff071170d005f05397c6049478fa6ecaf3",
+          "branch": "extension",
+          "revision": "d5acae05bfd832393524ec8e0bf8820a745e5331",
           "version": null
         }
       },
@@ -131,8 +131,8 @@
         "package": "tss-client-swift",
         "repositoryURL": "https://github.com/torusresearch/tss-client-swift.git",
         "state": {
-          "branch": "inline_replace_secp256k1",
-          "revision": "196e39fb6853ea88849b25130ef0de4247bb89a1",
+          "branch": "extenstion",
+          "revision": "2f0a2357dfa882d8a0e03580ebe22534f5d2c527",
           "version": null
         }
       },
diff --git a/Package.swift b/Package.swift
index 5bd69b0..271898a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -14,7 +14,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/argentlabs/web3.swift", from:"1.6.0"),
-        .package(url: "https://github.com/torusresearch/tss-client-swift.git", .branch("inline_replace_secp256k1")),
+        .package(url: "https://github.com/torusresearch/tss-client-swift.git", .branch("extenstion")),
     ],
     targets: [
         .target(
diff --git a/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift b/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift
index d791ba9..8e5f128 100644
--- a/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift
+++ b/Sources/Web3SwiftMpcProvider/EthereumTssAccount.swift
@@ -1,6 +1,6 @@
 import BigInt
 import Foundation
-import secp256k1
+import curvelib_swift
 import tss_client_swift
 import web3
 
@@ -223,7 +223,7 @@ public final class EthereumTssAccount: EthereumAccountProtocol {
         }
 
         // generate a random nonce for sessionID
-        let randomKey = try CurveSecp256k1.generatePrivateKey()
+        let randomKey = try SecretKey().serialize()
         guard let randomKeyBigUint = BigUInt(hex: randomKey) else {
             throw CustomSigningError.generalError(error: "Could not generate random key for sessionID nonce")
         }