diff --git a/src/INetMock.Client/INetMock.Client.csproj b/src/INetMock.Client/INetMock.Client.csproj
index bf7f907..d44e560 100644
--- a/src/INetMock.Client/INetMock.Client.csproj
+++ b/src/INetMock.Client/INetMock.Client.csproj
@@ -5,7 +5,7 @@
         <LangVersion>latest</LangVersion>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Google.Protobuf" Version="3.14.0" />
+        <PackageReference Include="Google.Protobuf" Version="3.18.1" />
         <PackageReference Include="Grpc.Net.Client" Version="2.35.0" />
         <PackageReference Include="Grpc.Net.ClientFactory" Version="2.35.0" />
         <PackageReference Include="Grpc.Tools" Version="2.35.0">