diff --git a/src/submodules/MessagePack-CSharp b/src/submodules/MessagePack-CSharp
index 95119056ee8f..9aeb12b9bdb0 160000
--- a/src/submodules/MessagePack-CSharp
+++ b/src/submodules/MessagePack-CSharp
@@ -1 +1 @@
-Subproject commit 95119056ee8f4da1714b055a4f16893afaa73af7
+Subproject commit 9aeb12b9bdb024512ffe2e4bddfa2785dca6e39e