diff --git a/Server/Server.csproj b/Server/Server.csproj
index c20fdad..1129b85 100644
--- a/Server/Server.csproj
+++ b/Server/Server.csproj
@@ -21,7 +21,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)..\Shared\*.cs" />
 
     <PackageReference Include="Microsoft.AspNetCore.App" Version="3.0.0-preview-18577-0031" />
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Core" Version="1.17.0-pre3" />
     <PackageReference Include="Grpc.Tools" Version="1.17.0-pre3" />
   </ItemGroup>