diff --git a/Envoy/Envoy.csproj b/Envoy/Envoy.csproj
index d489016..d49a275 100644
--- a/Envoy/Envoy.csproj
+++ b/Envoy/Envoy.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.27.2" />
+    <PackageReference Include="Google.Protobuf" Version="3.27.3" />
     <PackageReference Include="Grpc" Version="2.46.6" />
     <PackageReference Include="Grpc.Core" Version="2.46.6" />
     <PackageReference Include="Grpc.Net.ClientFactory" Version="2.65.0" />