diff --git a/PerfTests/PerfTests.csproj b/PerfTests/PerfTests.csproj
index 840d834..7ccfb4d 100644
--- a/PerfTests/PerfTests.csproj
+++ b/PerfTests/PerfTests.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
-    <PackageReference Include="MessagePack" Version="2.2.60" />
+    <PackageReference Include="MessagePack" Version="2.5.187" />
   </ItemGroup>
 
   <ItemGroup>