diff --git a/scripts/e2e/parallels/linux-smoke.ts b/scripts/e2e/parallels/linux-smoke.ts
index 135c8430b06..7026cad1366 100755
--- a/scripts/e2e/parallels/linux-smoke.ts
+++ b/scripts/e2e/parallels/linux-smoke.ts
@@ -437,8 +437,23 @@ class LinuxSmoke {
     this.guestExec(["hwclock", "--systohc"], { check: false });
     this.guestExec(["timedatectl", "set-ntp", "true"], { check: false });
     this.guestExec(["systemctl", "restart", "systemd-timesyncd"], { check: false });
-    this.guestExec(["apt-get", "-o", "Acquire::Check-Date=false", "update"]);
-    this.guestExec(["apt-get", "install", "-y", "curl", "ca-certificates"]);
+    this.guestExec([
+      "apt-get",
+      "-o",
+      "Acquire::Check-Date=false",
+      "-o",
+      "DPkg::Lock::Timeout=300",
+      "update",
+    ]);
+    this.guestExec([
+      "apt-get",
+      "-o",
+      "DPkg::Lock::Timeout=300",
+      "install",
+      "-y",
+      "curl",
+      "ca-certificates",
+    ]);
   }
 
   private installLatestRelease(): void {
diff --git a/test/scripts/parallels-smoke-model.test.ts b/test/scripts/parallels-smoke-model.test.ts
index 55582645298..f860daab31c 100644
--- a/test/scripts/parallels-smoke-model.test.ts
+++ b/test/scripts/parallels-smoke-model.test.ts
@@ -213,6 +213,12 @@ console.log(resolveUbuntuVmName("Ubuntu missing"));
     }
   });
 
+  it("waits for apt locks during Linux snapshot bootstrap", () => {
+    const script = readFileSync(TS_PATHS.linux, "utf8");
+
+    expect(script).toContain("DPkg::Lock::Timeout=300");
+  });
+
   it("resolves provider defaults and explicit model overrides", () => {
     expect(resolveProviderAuth("openai", { env: { OPENAI_API_KEY: "sk-openai" } })).toEqual({
       apiKeyEnv: "OPENAI_API_KEY",