diff --git a/src/submodules/MessagePack-CSharp b/src/submodules/MessagePack-CSharp
index a4a14ce447e4..6caf2996c82d 160000
--- a/src/submodules/MessagePack-CSharp
+++ b/src/submodules/MessagePack-CSharp
@@ -1 +1 @@
-Subproject commit a4a14ce447e4ef694af1a485fb672db35e766111
+Subproject commit 6caf2996c82d2b91528fad41e9c78e09770e73d4