diff --git a/scripts/e2e/parallels/macos-smoke.ts b/scripts/e2e/parallels/macos-smoke.ts
index 8afecf0c38e0..6a741e14ca14 100755
--- a/scripts/e2e/parallels/macos-smoke.ts
+++ b/scripts/e2e/parallels/macos-smoke.ts
@@ -499,7 +499,7 @@ class MacosSmoke {
     this.status.freshVersion = await this.extractLastVersion("fresh.install-main");
     await this.phase("fresh.verify-main-version", 60, () => this.verifyTargetVersion());
     await this.phase("fresh.verify-bundle-permissions", 180, () => this.verifyBundlePermissions());
-    await this.phase("fresh.onboard-ref", 180, () => this.runRefOnboard());
+    await this.phase("fresh.onboard-ref", 420, () => this.runRefOnboard());
     await this.phase("fresh.gateway-start", 180, () => this.startManualGatewayIfNeeded());
     await this.phase("fresh.gateway-status", 180, () => this.verifyGateway());
     this.status.freshGateway = "pass";
@@ -551,7 +551,7 @@ class MacosSmoke {
       this.status.upgradeVersion = await this.extractLastVersion("upgrade.update-dev");
       await this.phase("upgrade.verify-dev-channel", 60, () => this.verifyDevChannelUpdate());
     }
-    await this.phase("upgrade.onboard-ref", 180, () => this.runRefOnboard());
+    await this.phase("upgrade.onboard-ref", 420, () => this.runRefOnboard());
     await this.phase("upgrade.gateway-start", 180, () => this.startManualGatewayIfNeeded());
     await this.phase("upgrade.gateway-status", 180, () => this.verifyGateway());
     this.status.upgradeGateway = "pass";
diff --git a/test/scripts/parallels-smoke-model.test.ts b/test/scripts/parallels-smoke-model.test.ts
index 02e3f5de28fd..0dc429edede6 100644
--- a/test/scripts/parallels-smoke-model.test.ts
+++ b/test/scripts/parallels-smoke-model.test.ts
@@ -936,10 +936,11 @@ if (isPrlctl) {
     expect(guestTransports.match(/umask 022/g)).toHaveLength(2);
   });
 
-  it("clears restored macOS npm content cache before install lanes", () => {
+  it("hardens restored macOS install lanes", () => {
     const macos = readFileSync(TS_PATHS.macos, "utf8");
 
     expect(macos).toContain('rm -rf "$HOME/.npm/_cacache"');
+    expect(macos.match(/\.onboard-ref", 420/g)).toHaveLength(2);
   });
 
   it("provisions portable Git before Windows dev update lanes", () => {