diff --git a/XamlBrewer.Uwp.Grpc.Client/XamlBrewer.Uwp.Grpc.Client.csproj b/XamlBrewer.Uwp.Grpc.Client/XamlBrewer.Uwp.Grpc.Client.csproj
index 66ca675..b3baf48 100644
--- a/XamlBrewer.Uwp.Grpc.Client/XamlBrewer.Uwp.Grpc.Client.csproj
+++ b/XamlBrewer.Uwp.Grpc.Client/XamlBrewer.Uwp.Grpc.Client.csproj
@@ -158,7 +158,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Google.Protobuf">
-      <Version>3.9.0-rc1</Version>
+      <Version>3.15.0</Version>
     </PackageReference>
     <PackageReference Include="Grpc.Core">
       <Version>1.22.0-pre1</Version>