diff --git a/src/Altinn.App.Core/Altinn.App.Core.csproj b/src/Altinn.App.Core/Altinn.App.Core.csproj
index 0ba79c7ae..a0a6278ba 100644
--- a/src/Altinn.App.Core/Altinn.App.Core.csproj
+++ b/src/Altinn.App.Core/Altinn.App.Core.csproj
@@ -8,7 +8,7 @@
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Altinn.ApiClients.Maskinporten" Version="7.1.0" />
+    <PackageReference Include="Altinn.ApiClients.Maskinporten" Version="9.0.0" />
     <PackageReference Include="Altinn.Common.AccessTokenClient" Version="1.1.4" />
     <PackageReference Include="Altinn.Common.EFormidlingClient" Version="1.3.3" />
     <PackageReference Include="Altinn.Common.PEP" Version="1.3.0" />