diff --git a/Directory.Packages.props b/Directory.Packages.props
index 66fe9d58..08047dcd 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -293,11 +293,11 @@
 	</ItemGroup>
 	<!-- Serialize Protobuf -->
 	<ItemGroup>
-		<PackageVersion Include="Google.Protobuf" Version="3.33.5" />
+		<PackageVersion Include="Google.Protobuf" Version="3.34.0" />
 	</ItemGroup>
 	<!-- Serialize Protobuf Tools -->
 	<ItemGroup>
-		<PackageVersion Include="Google.Protobuf.Tools" Version="3.33.5" />
+		<PackageVersion Include="Google.Protobuf.Tools" Version="3.34.0" />
 	</ItemGroup>
 	<!-- Resilience & Transient Fault Handling -->
 	<ItemGroup>