diff --git a/repos/swift b/repos/swift
index fc65dc2c..78d84ef8 160000
--- a/repos/swift
+++ b/repos/swift
@@ -1 +1 @@
-Subproject commit fc65dc2cc87047c3a45f1d26cce79ab9062a4881
+Subproject commit 78d84ef82c387fceeb6094038da28717ea052e39