Synchronize submodules
diff --git a/third_party/tensorflow b/third_party/tensorflow
index ef9971b..86b67b8 160000
--- a/third_party/tensorflow
+++ b/third_party/tensorflow
@@ -1 +1 @@
-Subproject commit ef9971b6d7a1bba53a8d067c6fa092a998892b29
+Subproject commit 86b67b8c829a5a5c61af396ce20ae60e63d9514a