diff --git a/common.py b/common.py
index eec6858d..10a44d90 100755
--- a/common.py
+++ b/common.py
@@ -36,7 +36,7 @@
         'swift-corelibs-libdispatch': 'main',
         'swift-corelibs-foundation': 'main',
         'swift-corelibs-xctest': 'main',
-        'swift-argument-parser': '1.0.3',
+        'swift-argument-parser': '1.2.0',
         'swift-driver': 'main',
         'yams': '4.0.2',
         'swift-tools-support-core': 'main',