diff --git a/package-lock.json b/package-lock.json
index a930d5e7..32b63e34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "choices.js",
-  "version": "11.0.0-rc7",
+  "version": "11.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "choices.js",
-      "version": "11.0.0-rc7",
+      "version": "11.0.0",
       "license": "MIT",
       "dependencies": {
         "fuse.js": "^7.0.0"
@@ -32,6 +32,7 @@
         "autoprefixer": "^10.4.20",
         "bundlesize": "^0.18.2",
         "chai": "^5.1.1",
+        "cross-process-lock": "^2.1.1",
         "csso-cli": "^4.0.2",
         "eslint": "^8.57.0",
         "eslint-config-airbnb-base": "^15.0.0",
@@ -4332,9 +4333,9 @@
       }
     },
     "node_modules/axios": {
-      "version": "1.7.3",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.7.3.tgz",
-      "integrity": "sha512-Ar7ND9pU99eJ9GpoGQKhKf58GpUOgnzuaB7ueNQ5BMi0p+LZ5oaEnfF999fAArcTIBwXTCHAmGcHOZJaWPq9Nw==",
+      "version": "1.7.5",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.7.5.tgz",
+      "integrity": "sha512-fZu86yCo+svH3uqJ/yTdQ0QHpQu5oL+/QE+QPSv6BZSkDAoky9vytxp7u5qk83OJFS3kEBcesWni9WTZAv3tSw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -4958,6 +4959,20 @@
         "node": ">=4"
       }
     },
+    "node_modules/cross-process-lock": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/cross-process-lock/-/cross-process-lock-2.1.1.tgz",
+      "integrity": "sha512-CV2vQQmEZaz2RmA8lhu7+pQWePJPKCVLDL+IMch3hrednzp+dsr/2XBPcAp/Fd8xY7b3GV3UkaBL97yQwte/qw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.3.4",
+        "tslib": "^2.6.0"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/cross-spawn": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -8990,9 +9005,9 @@
       }
     },
     "node_modules/micromatch": {
-      "version": "4.0.7",
-      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.7.tgz",
-      "integrity": "sha512-LPP/3KorzCwBxfeUuZmaR6bG2kdeHSbe0P2tY3FLRU4vYrjYz5hI4QZwV0njUx3jeuKe67YukQ1LSPZBKDqO/Q==",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 890b6cdf..62103535 100644
--- a/package.json
+++ b/package.json
@@ -97,6 +97,7 @@
     "autoprefixer": "^10.4.20",
     "bundlesize": "^0.18.2",
     "chai": "^5.1.1",
+    "cross-process-lock": "^2.1.1",
     "csso-cli": "^4.0.2",
     "eslint": "^8.57.0",
     "eslint-config-airbnb-base": "^15.0.0",
diff --git a/test-e2e/test-suit.ts b/test-e2e/test-suit.ts
index d91817fc..b3d43f46 100644
--- a/test-e2e/test-suit.ts
+++ b/test-e2e/test-suit.ts
@@ -1,4 +1,6 @@
 import { expect, type Locator, type Page } from '@playwright/test';
+import { lock } from 'cross-process-lock';
+import { writeFileSync, existsSync } from 'fs';
 
 export class TestSuit {
   readonly testId: string;
@@ -176,4 +178,20 @@ export class TestSuit {
   async expectedItemCount(count: number): Promise<void> {
     await expect(this.items).toHaveCount(count);
   }
+
+  // eslint-disable-next-line class-methods-use-this
+  async crossProcessLock(func: () => Promise<void>): Promise<void> {
+    // playwright lacks clipboard isolation, so use a lock to ensure other tests don't modify the clipboard at the same time
+    // https://github.com/microsoft/playwright/issues/13097#issuecomment-1445271511
+    const name = 'test-results/clipboard';
+    if (!existsSync(name)) {
+      writeFileSync(name, '', 'utf8');
+    }
+    const unlock = await lock(name, { waitTimeout: 30000 });
+    try {
+      await func();
+    } finally {
+      await unlock();
+    }
+  }
 }
diff --git a/test-e2e/tests/select-multiple.spec.ts b/test-e2e/tests/select-multiple.spec.ts
index 99f645c5..642c1bcc 100644
--- a/test-e2e/tests/select-multiple.spec.ts
+++ b/test-e2e/tests/select-multiple.spec.ts
@@ -653,8 +653,10 @@ describe(`Choices - select multiple`, () => {
             await suite.startWithClick();
             await suite.expectVisibleDropdown();
 
-            await page.evaluate(`navigator.clipboard.writeText('${country}')`);
-            await suite.ctrlV();
+            await suite.crossProcessLock(async () => {
+              await page.evaluate(`navigator.clipboard.writeText('${country}')`);
+              await suite.ctrlV();
+            });
 
             const choice = suite.selectableChoices.first();
             await expect(choice).toHaveText(city);
diff --git a/test-e2e/tests/select-one.spec.ts b/test-e2e/tests/select-one.spec.ts
index ccd6bd25..dfc62365 100644
--- a/test-e2e/tests/select-one.spec.ts
+++ b/test-e2e/tests/select-one.spec.ts
@@ -528,8 +528,10 @@ describe(`Choices - select one`, () => {
             await suite.startWithClick();
             await suite.expectVisibleDropdown();
 
-            await page.evaluate(`navigator.clipboard.writeText('${country}')`);
-            await suite.ctrlV();
+            await suite.crossProcessLock(async () => {
+              await page.evaluate(`navigator.clipboard.writeText('${country}')`);
+              await suite.ctrlV();
+            });
 
             const choice = suite.selectableChoices.first();
             await expect(choice).toHaveText(city);