diff --git a/Package.resolved b/Package.resolved
index 908ed1f..b2b2b28 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,13 +1,13 @@
 {
-  "originHash" : "b10ac69983ff3a2789bd35b9a8e123dc6bc92cab012ae1e98ea24ac86ee2d9df",
+  "originHash" : "2dce14ebb87c63879da5bdd4c4ae67dbef59d732309f496b563a273fb8d0b641",
   "pins" : [
     {
       "identity" : "swift-syntax",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/swiftlang/swift-syntax.git",
       "state" : {
-        "revision" : "0687f71944021d616d34d922343dcef086855920",
-        "version" : "600.0.1"
+        "revision" : "9de99a78f099e59caf2b2beec65a4c45d54b2081",
+        "version" : "603.0.1"
       }
     },
     {
@@ -15,8 +15,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-testing.git",
       "state" : {
-        "revision" : "399f76dcd91e4c688ca2301fa24a8cc6d9927211",
-        "version" : "0.99.0"
+        "revision" : "937120cbc281cf29727fdfb8734482158508b4fc",
+        "version" : "6.3.1"
       }
     }
   ],
diff --git a/Package.swift b/Package.swift
index 7ced1b6..3481e41 100644
--- a/Package.swift
+++ b/Package.swift
@@ -13,7 +13,7 @@ let package = Package(
         .executable(name: "duplicate-me", targets: ["ScanCLI"])
     ],
     dependencies: [
-        .package(url: "https://github.com/apple/swift-testing.git", from: "0.14.0")
+        .package(url: "https://github.com/apple/swift-testing.git", from: "6.3.1")
     ],
     targets: [
         .target(