diff --git a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Integration/Altinn.AccessManagement.UI.Integration.csproj b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Integration/Altinn.AccessManagement.UI.Integration.csproj
index 013590024..d479324a0 100644
--- a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Integration/Altinn.AccessManagement.UI.Integration.csproj
+++ b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Integration/Altinn.AccessManagement.UI.Integration.csproj
@@ -9,7 +9,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Altinn.Platform.Models" Version="1.3.0" />
-		<PackageReference Include="JWTCookieAuthentication" Version="3.0.1" />
+		<PackageReference Include="JWTCookieAuthentication" Version="4.0.1" />
 		<PackageReference Include="Microsoft.AspNet.WebApi.Core" Version="5.3.0" />
 		<PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />
 		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
diff --git a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Mocks/Altinn.AccessManagement.UI.Mocks.csproj b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Mocks/Altinn.AccessManagement.UI.Mocks.csproj
index ee6742908..2be825383 100644
--- a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Mocks/Altinn.AccessManagement.UI.Mocks.csproj
+++ b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI.Mocks/Altinn.AccessManagement.UI.Mocks.csproj
@@ -15,7 +15,7 @@
   <ItemGroup>
     <PackageReference Include="Altinn.App.Common" Version="6.0.2" />
     <PackageReference Include="Altinn.Common.PEP" Version="1.3.0" />
-    <PackageReference Include="JWTCookieAuthentication" Version="3.0.1" />
+    <PackageReference Include="JWTCookieAuthentication" Version="4.0.1" />
   </ItemGroup>
 
   <ItemGroup>
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 2b22737bc..1e9013319 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
@@ -14,7 +14,7 @@
     <PackageReference Include="Altinn.Platform.Models" Version="1.3.0" />
     <PackageReference Include="Azure.Extensions.AspNetCore.Configuration.Secrets" Version="1.3.0" />
     <PackageReference Include="Azure.Identity" Version="1.10.4" />
-    <PackageReference Include="JWTCookieAuthentication" Version="3.0.1" />
+    <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="8.0.1" />