diff --git a/modules/kernels/typescript/default.nix b/modules/kernels/typescript/default.nix
index 9eadf7bf..7c148745 100644
--- a/modules/kernels/typescript/default.nix
+++ b/modules/kernels/typescript/default.nix
@@ -33,9 +33,10 @@
 
       pkgs' = import self.inputs.nixpkgs-stable.outPath {
         inherit system;
-        config.permittedInsecurePackages = [
-          # "nodejs-14.21.3"
-          # "openssl-1.1.1w"
+
+        overlays = [
+          # https://github.com/nix-community/npmlock2nix/issues/194
+          (final: prev: {nodejs-16_x = prev.nodePackages.nodejs;})
         ];
       };
       _npmlock2nix = pkgs'.callPackage npmlock2nix {};
@@ -48,7 +49,7 @@
       };
 
       tslab = _npmlock2nix.v2.build {
-        nodejs = pkgs'.nodejs;
+        nodejs = pkgs'.nodejs-18_x;
         src = tslabSrc;
         node_modules_attrs.packageLockJson = ./package-lock.json;
         buildInputs = [pkgs.makeWrapper];