diff --git a/src/prezto b/src/prezto
index 4ab47c5..b17da8b 160000
--- a/src/prezto
+++ b/src/prezto
@@ -1 +1 @@
-Subproject commit 4ab47c597a0b89212d22028b29da991f29dafd8a
+Subproject commit b17da8b664fa784576c799ca27d93285dc16e37b