diff --git a/third_party/lib_nn b/third_party/lib_nn
index 9bb528273..211ae4a57 160000
--- a/third_party/lib_nn
+++ b/third_party/lib_nn
@@ -1 +1 @@
-Subproject commit 9bb528273ea8c73b23ae4af389f553a09ed1dbd8
+Subproject commit 211ae4a570183b1cf0c6124db61273d9ae0bda73