diff --git a/src/K2 b/src/K2
index f83d0aeec..1c73d83b7 160000
--- a/src/K2
+++ b/src/K2
@@ -1 +1 @@
-Subproject commit f83d0aeec7d12753cb3915f9e48a8605b1f06b02
+Subproject commit 1c73d83b78faa2b2726c992965011cfca9a79254