diff --git a/packages/midnight-smoker/src/pm/npm9.ts b/packages/midnight-smoker/src/pm/npm9.ts
index ee4606ce1..e4d872c52 100644
--- a/packages/midnight-smoker/src/pm/npm9.ts
+++ b/packages/midnight-smoker/src/pm/npm9.ts
@@ -56,7 +56,7 @@ export class Npm9 extends Npm7 implements PackageManager {
   }
 
   public static load(executor: CorepackExecutor, opts?: PackageManagerOpts) {
-    return new Npm7(executor, opts);
+    return new Npm9(executor, opts);
   }
 
   public async install(manifest: InstallManifest): Promise<InstallResult> {
diff --git a/packages/midnight-smoker/test/unit/pm/npm7.spec.ts b/packages/midnight-smoker/test/unit/pm/npm7.spec.ts
index 66f2de15c..ca3ccdc82 100644
--- a/packages/midnight-smoker/test/unit/pm/npm7.spec.ts
+++ b/packages/midnight-smoker/test/unit/pm/npm7.spec.ts
@@ -300,6 +300,7 @@ describe('midnight-smoker', function () {
             expect(execStub, 'to have a call satisfying', [
               [
                 'install',
+                '--no-audit',
                 '--no-package-lock',
                 '--global-style',
                 ...manifest.packedPkgs.map((pkg) => pkg.tarballFilepath),
diff --git a/packages/midnight-smoker/test/unit/pm/npm9.spec.ts b/packages/midnight-smoker/test/unit/pm/npm9.spec.ts
index 831e3031a..d10fb01f4 100644
--- a/packages/midnight-smoker/test/unit/pm/npm9.spec.ts
+++ b/packages/midnight-smoker/test/unit/pm/npm9.spec.ts
@@ -84,6 +84,7 @@ describe('midnight-smoker', function () {
             expect(execStub, 'to have a call satisfying', [
               [
                 'install',
+                '--no-audit',
                 '--no-package-lock',
                 '--install-strategy=shallow',
                 ...manifest.packedPkgs.map((pkg) => pkg.tarballFilepath),