diff --git a/Package.swift b/Package.swift
index 1c3fd6a..ab5f1bd 100644
--- a/Package.swift
+++ b/Package.swift
@@ -19,7 +19,7 @@ let package = Package(
     dependencies: [
         // Dependencies declare other packages that this package depends on.
         .package(url: "https://github.com/jmmaloney4/VarInt.git", from: "1.0.0"),
-        .package(url: "https://github.com/attaswift/BigInt.git", from: "5.4.1"),
+        .package(url: "https://github.com/attaswift/BigInt.git", from: "5.5.0"),
         .package(url: "https://github.com/apple/swift-crypto.git", from: "3.9.0"),
     ],
     targets: [