diff --git a/scripts/openclaw-npm-extended-stable-release.mjs b/scripts/openclaw-npm-extended-stable-release.mjs
index 9c3c771f0afe..292d0095a0fa 100644
--- a/scripts/openclaw-npm-extended-stable-release.mjs
+++ b/scripts/openclaw-npm-extended-stable-release.mjs
@@ -384,8 +384,8 @@ export async function verifyExtendedStableRegistryReadback({
   expectedVersion,
   query,
   sleep,
-  // Initial read plus five minutes of replication waits.
-  attempts = 31,
+  // Initial read plus fifteen minutes of replication waits.
+  attempts = 91,
   delayMs = 10_000,
 }) {
   let exactVersion = "missing";
diff --git a/test/scripts/openclaw-npm-extended-stable-release.test.ts b/test/scripts/openclaw-npm-extended-stable-release.test.ts
index 6fbafa624ce5..cce8536a4c47 100644
--- a/test/scripts/openclaw-npm-extended-stable-release.test.ts
+++ b/test/scripts/openclaw-npm-extended-stable-release.test.ts
@@ -660,7 +660,7 @@ describe("extended-stable selector capture", () => {
 });
 
 describe("extended-stable registry readback", () => {
-  it.each([2, 20])(
+  it.each([2, 20, 60])(
     "accepts convergence on attempt %s within the propagation window",
     async (visibleAt) => {
       let attempt = 0;
@@ -685,14 +685,14 @@ describe("extended-stable registry readback", () => {
     },
   );
 
-  it("fails closed after the five-minute propagation window", async () => {
+  it("fails closed after the fifteen-minute propagation window", async () => {
     const query = vi.fn(async () => ({ status: 1, stdout: "" }));
     const sleep = vi.fn(async (_delay: number) => {});
     await expect(
       verifyExtendedStableRegistryReadback({ expectedVersion: "2026.6.33", query, sleep }),
-    ).rejects.toThrow(/after 31 attempts/u);
-    expect(query).toHaveBeenCalledTimes(62);
-    expect(sleep).toHaveBeenCalledTimes(30);
+    ).rejects.toThrow(/after 91 attempts/u);
+    expect(query).toHaveBeenCalledTimes(182);
+    expect(sleep).toHaveBeenCalledTimes(90);
     expect(sleep.mock.calls.every(([delay]) => delay === 10_000)).toBe(true);
   });
 });