diff --git a/Directory.Packages.props b/Directory.Packages.props
index d69a40e3b..9f3907043 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -47,7 +47,7 @@
   </ItemGroup>
   <!-- Serialization -->
   <ItemGroup>
-    <PackageVersion Include="protobuf-net" Version="3.2.30" />
+    <PackageVersion Include="protobuf-net" Version="3.2.56" />
     <PackageVersion Include="YamlDotNet" Version="16.3.0" />
   </ItemGroup>
   <!-- Test dependencies -->
diff --git a/src/Netclaw.Channels/Netclaw.Channels.csproj b/src/Netclaw.Channels/Netclaw.Channels.csproj
index cdd6323c8..7830dcd1d 100644
--- a/src/Netclaw.Channels/Netclaw.Channels.csproj
+++ b/src/Netclaw.Channels/Netclaw.Channels.csproj
@@ -11,6 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="protobuf-net" />
     <ProjectReference Include="..\Netclaw.Actors\Netclaw.Actors.csproj" />
     <ProjectReference Include="..\Netclaw.Configuration\Netclaw.Configuration.csproj" />
   </ItemGroup>