diff --git a/jack b/jack
index 433a4ab..a6c5af6 160000
--- a/jack
+++ b/jack
@@ -1 +1 @@
-Subproject commit 433a4ab01fa84ff04e7753e80f5bfce04ad38810
+Subproject commit a6c5af6347fcf05c6df059b79e60aca205ecdcce