diff --git a/src/WireMock.Net/WireMock.Net.csproj b/src/WireMock.Net/WireMock.Net.csproj
index 9f305c01..165adc22 100644
--- a/src/WireMock.Net/WireMock.Net.csproj
+++ b/src/WireMock.Net/WireMock.Net.csproj
@@ -150,7 +150,7 @@
         <PackageReference Include="GraphQL" Version="7.5.0" />
         <PackageReference Include="GraphQL.NewtonsoftJson" Version="7.5.0" />
         <PackageReference Include="MimeKitLite" Version="4.1.0.1" />
-        <PackageReference Include="ProtoBufJsonConverter" Version="0.4.0" />
+        <PackageReference Include="ProtoBufJsonConverter" Version="0.5.0-preview-01" />
     </ItemGroup>
 
     <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">