diff --git a/third_party/caffe2 b/third_party/caffe2
index db0a812..81a21f1 160000
--- a/third_party/caffe2
+++ b/third_party/caffe2
@@ -1 +1 @@
-Subproject commit db0a8120cd6a4feb4bc106bb0ddd24c97496f100
+Subproject commit 81a21f1260ec27ccefbf2627340131972721824a