diff --git a/Package@swift-5.5.swift b/Package@swift-5.5.swift
index d81789f0..4d039e18 100644
--- a/Package@swift-5.5.swift
+++ b/Package@swift-5.5.swift
@@ -55,7 +55,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
     // Building standalone, so fetch all dependencies remotely.
     package.dependencies += [
         .package(url: "https://github.com/apple/swift-cmark.git", .branch("gfm")),
-        .package(url: "https://github.com/apple/swift-argument-parser", .upToNextMinor(from: "0.4.4")),
+        .package(url: "https://github.com/apple/swift-argument-parser", .upToNextMinor(from: "1.0.1")),
     ]
 } else {
     // Building in the Swift.org CI system, so rely on local versions of dependencies.