diff --git a/Benchmark/Benchmark.csproj b/Benchmark/Benchmark.csproj
index c4632b0..b95ab2f 100644
--- a/Benchmark/Benchmark.csproj
+++ b/Benchmark/Benchmark.csproj
@@ -18,7 +18,7 @@
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     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="Hyperion" Version="0.12.0" />
-    <PackageReference Include="MessagePack" Version="2.3.85" />
+    <PackageReference Include="MessagePack" Version="2.5.187" />
     <PackageReference Include="MessagePack.ImmutableCollection" Version="2.3.85" />
     <PackageReference Include="NetSerializer" Version="4.1.1" />
     <PackageReference Include="protobuf-net" Version="2.4.6" />