diff --git a/Directory.Packages.props b/Directory.Packages.props
index c3f0094..55d7a32 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -59,7 +59,7 @@
 
     <!-- gRPC -->
     <PackageVersion Include="Grpc.Net.Client" Version="2.76.0" />
-    <PackageVersion Include="Google.Protobuf" Version="3.30.2" />
+    <PackageVersion Include="Google.Protobuf" Version="3.34.1" />
     <PackageVersion Include="Grpc.Tools" Version="2.76.0" />
     <PackageVersion Include="Grpc.Net.ClientFactory" Version="2.76.0" />
     <PackageVersion Include="Grpc.AspNetCore" Version="2.71.0" />
diff --git a/src/security/Jaina.Security.Authentication/Jaina.Security.Authentication.csproj b/src/security/Jaina.Security.Authentication/Jaina.Security.Authentication.csproj
index b62218e..cdbe3e4 100644
--- a/src/security/Jaina.Security.Authentication/Jaina.Security.Authentication.csproj
+++ b/src/security/Jaina.Security.Authentication/Jaina.Security.Authentication.csproj
@@ -21,6 +21,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Google.Protobuf" />
     <PackageReference Include="Grpc.AspNetCore" />
   </ItemGroup>
 </Project>