diff --git a/webapp/webapp.csproj b/webapp/webapp.csproj
index 7224bc6..6fbfd13 100644
--- a/webapp/webapp.csproj
+++ b/webapp/webapp.csproj
@@ -10,6 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Authentication.WsFederation" Version="8.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.UI" Version="8.0.0" />
+    <PackageReference Include="Microsoft.IdentityModel.Tokens.Saml" Version="8.6.0" />
   </ItemGroup>
 
 </Project>