diff --git a/src/Altinn.Authorization.ABAC/Altinn.Authorization.ABAC.csproj b/src/Altinn.Authorization.ABAC/Altinn.Authorization.ABAC.csproj
index e7619ab4b..513b75aab 100644
--- a/src/Altinn.Authorization.ABAC/Altinn.Authorization.ABAC.csproj
+++ b/src/Altinn.Authorization.ABAC/Altinn.Authorization.ABAC.csproj
@@ -35,7 +35,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.10" />
   </ItemGroup>
 
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">