diff --git a/examples/wcf-port/TraderSys/src/TraderSys.Portfolios/TraderSys.Portfolios.csproj b/examples/wcf-port/TraderSys/src/TraderSys.Portfolios/TraderSys.Portfolios.csproj
index 562bdf13..a61e3577 100644
--- a/examples/wcf-port/TraderSys/src/TraderSys.Portfolios/TraderSys.Portfolios.csproj
+++ b/examples/wcf-port/TraderSys/src/TraderSys.Portfolios/TraderSys.Portfolios.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Grpc.AspNetCore" Version="$(GrpcDotNetVersion)" />
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.7" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.18" />
   </ItemGroup>
 
   <ItemGroup>