diff --git a/Benchmarking/Benchmark/Benchmark.csproj b/Benchmarking/Benchmark/Benchmark.csproj
index 5193d73..bea0145 100644
--- a/Benchmarking/Benchmark/Benchmark.csproj
+++ b/Benchmarking/Benchmark/Benchmark.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="BenchmarkDotNet" Version="0.12.0" />
     <PackageReference Include="Capnp.Net.Runtime" Version="1.3.97-g4f0abaac73" />
     <PackageReference Include="CapnpC.CSharp.MsBuild.Generation" Version="1.3.97-g4f0abaac73" />
-    <PackageReference Include="Google.Protobuf" Version="3.11.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Net.Client" Version="2.27.0" />
     <PackageReference Include="Grpc.Tools" Version="2.27.0">
       <PrivateAssets>all</PrivateAssets>