diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Altinn.Authentication.UI.Mocks.csproj b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Altinn.Authentication.UI.Mocks.csproj
index 30d4d91c..9b46bf4b 100644
--- a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Altinn.Authentication.UI.Mocks.csproj
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI.Mocks/Altinn.Authentication.UI.Mocks.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="Altinn.App.Common" Version="6.0.2" />
     <PackageReference Include="Altinn.Common.AccessTokenClient" Version="2.0.1" />
     <PackageReference Include="Altinn.Common.PEP" Version="3.0.0" />
-    <PackageReference Include="JWTCookieAuthentication" Version="3.0.1" />
+    <PackageReference Include="JWTCookieAuthentication" Version="4.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Altinn.Authentication.UI.csproj b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Altinn.Authentication.UI.csproj
index 8f3f0bd9..c57acd78 100644
--- a/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Altinn.Authentication.UI.csproj
+++ b/bff/src/Altinn.Authentication.UI/Altinn.Authentication.UI/Altinn.Authentication.UI.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Altinn.Common.AccessTokenClient" Version="2.0.1" />
     <PackageReference Include="Altinn.Common.PEP" Version="3.0.0" />
     <PackageReference Include="Altinn.Platform.Models" Version="1.5.0" />
-    <PackageReference Include="JWTCookieAuthentication" Version="3.0.1" />
+    <PackageReference Include="JWTCookieAuthentication" Version="4.0.1" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.16" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore.Filters" Version="7.0.12" />