diff --git a/test/backend-test/test-better-auth.ts b/test/backend-test/test-better-auth.ts
index d474417e7..524f99ef7 100644
--- a/test/backend-test/test-better-auth.ts
+++ b/test/backend-test/test-better-auth.ts
@@ -14,7 +14,7 @@ test("Basic Auth", async (t) => {
             body: {
                 name: "admin",
                 email: "admin@noreply.uptime-kuma.internal",
-                password: "secret123",
+                password: "Kuma-Test-8f4Q2xR9p",
                 role: "admin",
                 data: {
                     username: "admin",
@@ -29,7 +29,7 @@ test("Basic Auth", async (t) => {
     });
 
     await t.test("[Basic Auth] returns true for valid credentials", async () => {
-        const result = await checkPassword("admin", "secret123");
+        const result = await checkPassword("admin", "Kuma-Test-8f4Q2xR9p");
         assert.strictEqual(result, true);
     });
 
@@ -39,7 +39,7 @@ test("Basic Auth", async (t) => {
     });
 
     await t.test("returns false for non-existent user", async () => {
-        const result = await checkPassword("nonexistent", "secret123");
+        const result = await checkPassword("nonexistent", "Kuma-Test-8f4Q2xR9p");
         assert.strictEqual(result, false);
     });
 });
diff --git a/test/e2e/specs/basic-auth.spec.js b/test/e2e/specs/basic-auth.spec.js
index d8e7a19ef..111c74d6d 100644
--- a/test/e2e/specs/basic-auth.spec.js
+++ b/test/e2e/specs/basic-auth.spec.js
@@ -25,7 +25,7 @@ test.describe("/metrics basic auth", () => {
     test("returns 200 with correct credentials", async ({ request }) => {
         const response = await request.get(`${serverUrl}/metrics`, {
             headers: {
-                Authorization: "Basic " + btoa("admin:admin123"),
+                Authorization: "Basic " + btoa("admin:Kuma-E2E-8f4Q2xR9p"),
             },
         });
         expect(response.status()).toBe(200);
@@ -34,7 +34,7 @@ test.describe("/metrics basic auth", () => {
     test("response contains prometheus metrics", async ({ request }) => {
         const response = await request.get(`${serverUrl}/metrics`, {
             headers: {
-                Authorization: "Basic " + btoa("admin:admin123"),
+                Authorization: "Basic " + btoa("admin:Kuma-E2E-8f4Q2xR9p"),
             },
         });
         expect(response.status()).toBe(200);
diff --git a/test/e2e/specs/setup-process.once.js b/test/e2e/specs/setup-process.once.js
index bb44c264d..8783b9153 100644
--- a/test/e2e/specs/setup-process.once.js
+++ b/test/e2e/specs/setup-process.once.js
@@ -24,8 +24,8 @@ test.describe("Uptime Kuma Setup", () => {
         await page.goto("./setup");
         await page.getByRole("textbox", { name: "Username" }).click();
         await page.getByRole("textbox", { name: "Username" }).fill("admin");
-        await page.getByRole("textbox", { name: "Password", exact: true }).fill("admin123");
-        await page.getByRole("textbox", { name: "Repeat Password" }).fill("admin123");
+        await page.getByRole("textbox", { name: "Password", exact: true }).fill("Kuma-E2E-8f4Q2xR9p");
+        await page.getByRole("textbox", { name: "Repeat Password" }).fill("Kuma-E2E-8f4Q2xR9p");
         await page.getByRole("button", { name: "Create" }).click();
         // User is auto-logged in and redirected to dashboard
         await page.waitForURL("/dashboard");
diff --git a/test/e2e/util-test.js b/test/e2e/util-test.js
index 5c29b6055..68149c6bf 100644
--- a/test/e2e/util-test.js
+++ b/test/e2e/util-test.js
@@ -26,7 +26,7 @@ export async function login(page) {
     await page.getByPlaceholder("Username").click();
     await page.getByPlaceholder("Username").fill("admin");
     await page.getByPlaceholder("Username").press("Tab");
-    await page.getByPlaceholder("Password").fill("admin123");
+    await page.getByPlaceholder("Password").fill("Kuma-E2E-8f4Q2xR9p");
     await page.getByLabel("Remember me").check();
     await page.getByRole("button", { name: "Log in" }).click();
     await page.isVisible("text=Add New Monitor");