diff --git a/src/K2 b/src/K2
index 6357ef4ff..8402a7b47 160000
--- a/src/K2
+++ b/src/K2
@@ -1 +1 @@
-Subproject commit 6357ef4ff9eaabb705398dad394f54e3b8c071fd
+Subproject commit 8402a7b4728a77b0ba5b2dacbb104363bb728282