diff --git a/Package.resolved b/Package.resolved
index 0185b9ee5..3f7c66368 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -6,8 +6,8 @@
         "repositoryURL": "https://github.com/apple/swift-argument-parser.git",
         "state": {
           "branch": null,
-          "revision": "83b23d940471b313427da226196661856f6ba3e0",
-          "version": "0.4.4"
+          "revision": "b2e411887ec36f7736dd059438d061e3288ddce0",
+          "version": "1.0.1"
         }
       },
       {
diff --git a/Package.swift b/Package.swift
index 7ee59f84d..56187dc2a 100644
--- a/Package.swift
+++ b/Package.swift
@@ -139,7 +139,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
     // The 'swift-argument-parser' version declared here must match that
     // used by 'swift-package-manager' and 'sourcekit-lsp'. Please coordinate
     // dependency version changes here with those projects.
-    .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "0.4.1")),
+    .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "1.0.1")),
     ]
 } else {
     package.dependencies += [
diff --git a/Package@swift-5.5.swift b/Package@swift-5.5.swift
index 2ec5098f0..7710c1c17 100644
--- a/Package@swift-5.5.swift
+++ b/Package@swift-5.5.swift
@@ -161,7 +161,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
     // The 'swift-argument-parser' version declared here must match that
     // used by 'swift-package-manager' and 'sourcekit-lsp'. Please coordinate
     // dependency version changes here with those projects.
-    .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "0.4.1")),
+    .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "1.0.1")),
     ]
 } else {
     package.dependencies += [