diff --git a/__test__/connect.spec.mjs b/__test__/connect.spec.mjs
index baca3f10..120fad77 100644
--- a/__test__/connect.spec.mjs
+++ b/__test__/connect.spec.mjs
@@ -270,7 +270,7 @@ test("forward bad domain", async () => {
   ngrok.authtoken(process.env["NGROK_AUTHTOKEN"]);
 
   await ngrok.forward({ addr: httpServer.listenTo, domain: "1.21 gigawatts" }).catch((error) => {
-    expect(error.errorCode).toBe("ERR_NGROK_326");
+    expect(error.errorCode).toBe("ERR_NGROK_9034");
   });
 
   await shutdown(null, httpServer.socket);
diff --git a/__test__/online.spec.mjs b/__test__/online.spec.mjs
index 207146f0..cbe96357 100644
--- a/__test__/online.spec.mjs
+++ b/__test__/online.spec.mjs
@@ -529,7 +529,7 @@ test("listener invalid domain", async () => {
   try {
     await session.httpEndpoint().domain("1.21 gigawatts").listen();
   } catch (error) {
-    expect(error.errorCode).toBe("ERR_NGROK_326");
+    expect(error.errorCode).toBe("ERR_NGROK_9034");
   }
 });
 
diff --git a/flake.nix b/flake.nix
index dcf0ceef..e2540675 100644
--- a/flake.nix
+++ b/flake.nix
@@ -13,7 +13,6 @@
 
     flake-utils = {
       url = "github:numtide/flake-utils";
-      inputs.nixpkgs.follows = "nixpkgs";
     };
   };