diff --git a/sling b/sling
index 9c18bfead..1568d691f 160000
--- a/sling
+++ b/sling
@@ -1 +1 @@
-Subproject commit 9c18bfead214302a51984ad7ae8945c90232729a
+Subproject commit 1568d691f0299c868340788d10b4def7c6cfdfd4