diff --git a/src/submodules/MessagePack-CSharp b/src/submodules/MessagePack-CSharp
index 8861abdde93a..fe9fa0834d18 160000
--- a/src/submodules/MessagePack-CSharp
+++ b/src/submodules/MessagePack-CSharp
@@ -1 +1 @@
-Subproject commit 8861abdde93a3b97180ac3b2eafa33459ad52392
+Subproject commit fe9fa0834d18492eb229ff2923024af2c87553f8