diff --git a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.csproj b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.csproj
index 4eaa6812..d6f21b7f 100644
--- a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.csproj
+++ b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.csproj
@@ -17,7 +17,7 @@
     <PackageReference Include="JWTCookieAuthentication" Version="4.0.1" />
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.TagHelpers" Version="2.2.0" />
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.11" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.ApplicationInsights" Version="2.22.0" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">