diff --git a/test/Altinn.Platform.Authentication.Tests/Altinn.Platform.Authentication.Tests.csproj b/test/Altinn.Platform.Authentication.Tests/Altinn.Platform.Authentication.Tests.csproj
index a1a27cbb..f2658249 100644
--- a/test/Altinn.Platform.Authentication.Tests/Altinn.Platform.Authentication.Tests.csproj
+++ b/test/Altinn.Platform.Authentication.Tests/Altinn.Platform.Authentication.Tests.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Altinn.Authorization.ABAC" Version="0.0.8" />
     <PackageReference Include="Altinn.Platform.Storage.Interface" Version="4.0.4" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
-    <PackageReference Include="Testcontainers" Version="3.10.0" />
+    <PackageReference Include="Testcontainers" Version="4.0.0" />
     <PackageReference Include="Testcontainers.PostgreSql" Version="3.10.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />