diff --git a/Netifi.Broker.Idl/Netifi.Broker.Idl.csproj b/Netifi.Broker.Idl/Netifi.Broker.Idl.csproj
index 7b4935c..901d359 100644
--- a/Netifi.Broker.Idl/Netifi.Broker.Idl.csproj
+++ b/Netifi.Broker.Idl/Netifi.Broker.Idl.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="RSocket.Rpc.Tools" Version="0.2.12">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>