diff --git a/src/03-Federation/WpfIdSrv/WpfIdSrv.csproj b/src/03-Federation/WpfIdSrv/WpfIdSrv.csproj
index b0944d6..022b624 100644
--- a/src/03-Federation/WpfIdSrv/WpfIdSrv.csproj
+++ b/src/03-Federation/WpfIdSrv/WpfIdSrv.csproj
@@ -104,7 +104,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="IdentityModel">
-      <Version>4.1.1</Version>
+      <Version>4.3.0</Version>
     </PackageReference>
     <PackageReference Include="IdentityModel.OidcClient">
       <Version>3.1.2</Version>