diff --git a/Package.swift b/Package.swift
index 3a543be..22c75e0 100644
--- a/Package.swift
+++ b/Package.swift
@@ -6,7 +6,7 @@ let package = Package(
     name: "SRP",
     dependencies: [
         .package(url: "https://github.com/IBM-Swift/BlueCryptor.git", from: "0.8.16"),
-        .package(url: "https://github.com/lorentey/BigInt.git", .branch("swift4")),
+        .package(url: "https://github.com/lorentey/BigInt.git", from: "3.0.0"),
     ],
     targets: [
         .target(name: "SRP", dependencies: ["Cryptor", "BigInt"], path: "Sources"),