diff --git a/utils/update_checkout/update-checkout-config.json b/utils/update_checkout/update-checkout-config.json
index a58cf81243adc..bb02d25238de7 100644
--- a/utils/update_checkout/update-checkout-config.json
+++ b/utils/update_checkout/update-checkout-config.json
@@ -192,6 +192,7 @@
                 "swift-syntax": "release/6.0",
                 "swift-system": "1.3.0",
                 "swift-stress-tester": "release/6.0",
+                "swift-testing": "release/6.0",
                 "swift-corelibs-xctest": "release/6.0",
                 "swift-corelibs-foundation": "release/6.0",
                 "swift-foundation": "release/6.0",