diff --git a/src/K2 b/src/K2
index bf0b4e3f9..77628a0d5 160000
--- a/src/K2
+++ b/src/K2
@@ -1 +1 @@
-Subproject commit bf0b4e3f96d76dd2dea1358cf406e03b4fab7b46
+Subproject commit 77628a0d5c2ae38a68f8ceb62e79f1652365131f