diff --git a/flake.nix b/flake.nix
index 7e9f42c..377ce80 100644
--- a/flake.nix
+++ b/flake.nix
@@ -61,6 +61,12 @@
         inherit system;
         config = {
           allowUnfree = true;
+          permittedInsecurePackages = [
+            "aspnetcore-runtime-wrapped-6.0.36"
+            "aspnetcore-runtime-6.0.36"
+            "dotnet-sdk-wrapped-6.0.428"
+            "dotnet-sdk-6.0.428"
+          ];
         };
         overlays = [ (import ./extra-packages) ];
       };