diff --git a/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj b/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj
index 5a3f8cb..cad48d4 100644
--- a/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj
+++ b/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc" Version="1.18.0" />
     <PackageReference Include="Grpc.Tools" Version="1.18.0">
       <PrivateAssets>all</PrivateAssets>