diff --git a/third_party/lib_nn b/third_party/lib_nn
index 07438c2e0..77fcc0178 160000
--- a/third_party/lib_nn
+++ b/third_party/lib_nn
@@ -1 +1 @@
-Subproject commit 07438c2e0becde869c52f0d66394e3103780db04
+Subproject commit 77fcc0178a32f5a4305b2c486749a5e6f675f0ac