diff --git a/4NK_node b/4NK_node
index 1159aab..2f663d2 160000
--- a/4NK_node
+++ b/4NK_node
@@ -1 +1 @@
-Subproject commit 1159aabc3fd3e915bda9e4cc735d1b6f782a2564
+Subproject commit 2f663d20a28ff0dc42ef0ebf29cc405329fd23a8