diff --git a/Package.resolved b/Package.resolved
deleted file mode 100644
index 3236c9e..0000000
--- a/Package.resolved
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "object": {
-    "pins": [
-      {
-        "package": "Result",
-        "repositoryURL": "https://github.com/antitypical/Result.git",
-        "state": {
-          "branch": null,
-          "revision": "7477584259bfce2560a19e06ad9f71db441fff11",
-          "version": "3.2.4"
-        }
-      }
-    ]
-  },
-  "version": 1
-}
diff --git a/Package.swift b/Package.swift
index a1bec29..e5ca44d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:4.0
+// swift-tools-version:5.2
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -9,11 +9,11 @@ let package = Package(
         .library(name: "JSONRPCKit", targets: ["JSONRPCKit"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/antitypical/Result.git", from: "3.2.0"),
+        .package(url: "https://github.com/antitypical/Result.git", from: "5.0.0"),
     ],
     targets: [
         .target(name: "JSONRPCKit", dependencies: ["Result"]),
         .testTarget(name: "JSONRPCKitTests", dependencies: ["JSONRPCKit"]),
     ],
-    swiftLanguageVersions: [4]
+    swiftLanguageVersions: [.v4]
 )