diff --git a/CHANGELOG.md b/CHANGELOG.md
index 204b325edff6..acc11164ae18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@
   - [`Symbol.dispose`, `Symbol.asyncDispose` and `Iterator.prototype[@@dispose]`](https://github.com/tc39/proposal-explicit-resource-management) marked as shipped from FF135
   - Fixed NodeJS version where `URL.parse` was added - 22.1 instead of 22.0
   - Added [Deno 2.1](https://github.com/denoland/deno/releases/tag/v2.1.0) compat data mapping
+  - Added [Rhino 1.8.0](https://github.com/mozilla/rhino/releases/tag/Rhino1_8_0_Release) compat data with significant number of modern features
   - Added Electron 35 compat data mapping
   - Updated Opera 115+ compat data mapping
   - Added Opera Android [86](https://forums.opera.com/topic/75006/opera-for-android-86) and 87 compat data mapping
diff --git a/package.json b/package.json
index e84693e6ca16..693a241e943f 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "compat-deno": "deno run --allow-read tests/compat/deno-runner.mjs",
     "compat-hermes": "npm run zxi tests/compat/hermes-adapter.mjs",
     "compat-node": "node tests/compat/node-runner",
-    "compat-rhino": "npm run zxi tests/compat/rhino-adapter.mjs 1.7.15",
+    "compat-rhino": "npm run zxi tests/compat/rhino-adapter.mjs",
     "lint": "run-s prepare lint-raw",
     "lint-raw": "run-s test-eslint test-type-definitions bundle-package test-publint",
     "test": "run-s prepare test-raw",
diff --git a/packages/core-js-compat/src/data.mjs b/packages/core-js-compat/src/data.mjs
index ba512ebf982b..5757313ff1a4 100644
--- a/packages/core-js-compat/src/data.mjs
+++ b/packages/core-js-compat/src/data.mjs
@@ -19,6 +19,7 @@ export const data = {
   'es.symbol.description': {
     chrome: '70',
     firefox: '63',
+    rhino: '1.8.0',
     safari: '12.1',
   },
   'es.symbol.async-iterator': {
@@ -77,6 +78,7 @@ export const data = {
     chrome: '73',
     firefox: '67',
     hermes: '0.6',
+    rhino: '1.8.0',
     safari: '13',
   },
   'es.symbol.replace': {
@@ -134,6 +136,7 @@ export const data = {
     chrome: '94',
     firefox: '91',
     hermes: '0.8',
+    rhino: '1.8.0',
     safari: '15.0',
   },
   'es.error.to-string': {
@@ -151,6 +154,7 @@ export const data = {
     firefox: '79',
     hermes: '0.13',
     'react-native': '0.72',
+    rhino: '1.8.0',
     safari: '14.0',
   },
   'es.aggregate-error.cause': {
@@ -158,6 +162,7 @@ export const data = {
     firefox: '91',
     hermes: '0.13',
     'react-native': '0.72',
+    rhino: '1.8.0',
     safari: '15.0',
   },
   'es.array.at': {
@@ -178,6 +183,7 @@ export const data = {
     chrome: '45',
     edge: '12',
     firefox: '48',
+    rhino: '1.8.0',
     safari: '9.0',
   },
   'es.array.every': {
@@ -192,6 +198,7 @@ export const data = {
     chrome: '45',
     edge: '12',
     firefox: '48',
+    rhino: '1.8.0',
     safari: '9.0',
   },
   'es.array.filter': {
@@ -204,24 +211,28 @@ export const data = {
     chrome: '45',
     edge: '13',
     firefox: '48',
+    rhino: '1.8.0',
     safari: '9.0',
   },
   'es.array.find-index': {
     chrome: '45',
     edge: '13',
     firefox: '48',
+    rhino: '1.8.0',
     safari: '9.0',
   },
   'es.array.find-last': {
     chrome: '97',
     firefox: '104',
     hermes: '0.11',
+    rhino: '1.8.0',
     safari: '15.4',
   },
   'es.array.find-last-index': {
     chrome: '97',
     firefox: '104',
     hermes: '0.11',
+    rhino: '1.8.0',
     safari: '15.4',
   },
   'es.array.flat': {
@@ -260,6 +271,7 @@ export const data = {
     edge: '14',
     // FF99-101 broken on sparse arrays
     firefox: '102', // '48',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.array.index-of': {
@@ -283,6 +295,7 @@ export const data = {
     chrome: '66',
     edge: '15',
     firefox: '60',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.array.join': {
@@ -370,6 +383,7 @@ export const data = {
     chrome: '70',
     firefox: '4',
     hermes: '0.10',
+    rhino: '1.8.0',
     safari: '12.0',
   },
   'es.array.species': {
@@ -391,12 +405,14 @@ export const data = {
     firefox: '115',
     hermes: '0.13',
     'react-native': '0.74',
+    rhino: '1.8.0',
     safari: '16.0',
   },
   'es.array.to-sorted': {
     chrome: '110',
     deno: '1.27',
     firefox: '115',
+    rhino: '1.8.0',
     safari: '16.0',
   },
   'es.array.to-spliced': {
@@ -405,16 +421,19 @@ export const data = {
     firefox: '115',
     hermes: '0.13',
     'react-native': '0.74',
+    rhino: '1.8.0',
     safari: '16.0',
   },
   'es.array.unscopables.flat': {
     chrome: '73',
     firefox: '67',
+    rhino: '1.8.0',
     safari: '13',
   },
   'es.array.unscopables.flat-map': {
     chrome: '73',
     firefox: '67',
+    rhino: '1.8.0',
     safari: '13',
   },
   'es.array.unshift': {
@@ -431,6 +450,7 @@ export const data = {
     firefox: '115',
     hermes: '0.13',
     'react-native': '0.74',
+    rhino: '1.8.0',
     safari: '16.0',
   },
   'es.array-buffer.constructor': {
@@ -438,6 +458,7 @@ export const data = {
     edge: '14',
     firefox: '44',
     hermes: '0.1',
+    rhino: '1.8.0',
     safari: '12.0',
   },
   'es.array-buffer.is-view': {
@@ -541,6 +562,7 @@ export const data = {
     edge: '15',
     firefox: '44',
     hermes: '0.1',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   // TODO: Remove from `core-js@4`
@@ -677,6 +699,7 @@ export const data = {
     firefox: '64',
     hermes: '0.13',
     'react-native': '0.72',
+    rhino: '1.8.0',
     safari: '12.1',
   },
   'es.json.to-string-tag': {
@@ -703,6 +726,7 @@ export const data = {
     bun: '1.1.2', // '1.0.19',
     chrome: '117',
     firefox: '119',
+    rhino: '1.8.0',
     // https://bugs.webkit.org/show_bug.cgi?id=271524
     safari: '18.0', // '17.4',
   },
@@ -1073,6 +1097,7 @@ export const data = {
     bun: '1.1.2', // '1.0.19',
     chrome: '117',
     firefox: '119',
+    rhino: '1.8.0',
     // https://bugs.webkit.org/show_bug.cgi?id=271524
     safari: '18.0', // '17.4',
   },
@@ -1178,6 +1203,7 @@ export const data = {
     edge: '15',
     firefox: '51',
     hermes: '0.1',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.object.values': {
@@ -1246,6 +1272,7 @@ export const data = {
     // `unhandledrejection` event support was added in Deno@1.24
     deno: '1.24',
     firefox: '79',
+    rhino: '1.8.0',
     safari: '14.0',
   },
   'es.promise.catch': {
@@ -1309,6 +1336,7 @@ export const data = {
     edge: '15',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.construct': {
@@ -1323,6 +1351,7 @@ export const data = {
     edge: '13',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.delete-property': {
@@ -1330,6 +1359,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.get': {
@@ -1337,6 +1367,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.get-own-property-descriptor': {
@@ -1344,6 +1375,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.get-prototype-of': {
@@ -1351,6 +1383,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.has': {
@@ -1358,6 +1391,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.is-extensible': {
@@ -1365,6 +1399,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.own-keys': {
@@ -1372,6 +1407,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.prevent-extensions': {
@@ -1379,6 +1415,7 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.set': {
@@ -1395,12 +1432,14 @@ export const data = {
     edge: '12',
     firefox: '42',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '10.0',
   },
   'es.reflect.to-string-tag': {
     chrome: '86',
     firefox: '82',
     hermes: '0.7',
+    rhino: '1.8.0',
     safari: '14.0',
   },
   'es.regexp.constructor': {
@@ -1555,7 +1594,8 @@ export const data = {
     firefox: '90',
     hermes: '0.13',
     'react-native': '0.71',
-    rhino: '1.7.15',
+    // rhino 1.8.0 tests shows as not supported
+    // rhino: '1.7.15',
     safari: '15.4',
   },
   'es.string.code-point-at': {
@@ -1592,6 +1632,7 @@ export const data = {
     bun: '0.4.0',
     chrome: '111',
     firefox: '119',
+    rhino: '1.8.0',
     safari: '16.4',
   },
   'es.string.iterator': {
@@ -1613,6 +1654,7 @@ export const data = {
     chrome: '80',   // '73',
     firefox: '73',  // '67',
     hermes: '0.6',
+    rhino: '1.8.0',
     safari: '13.1', // '13',
   },
   'es.string.pad-end': {
@@ -1694,6 +1736,7 @@ export const data = {
     bun: '0.5.7', // '0.4.0',
     chrome: '111',
     firefox: '119',
+    rhino: '1.8.0',
     safari: '16.4',
   },
   'es.string.trim': {
@@ -1701,6 +1744,7 @@ export const data = {
     edge: '15',
     firefox: '52',
     hermes: '0.1',
+    rhino: '1.8.0',
     safari: '12.1',
   },
   'es.string.trim-end': {
@@ -1934,12 +1978,14 @@ export const data = {
     chrome: '97',
     firefox: '104',
     hermes: '0.11',
+    rhino: '1.8.0',
     safari: '15.4',
   },
   'es.typed-array.find-last-index': {
     chrome: '97',
     firefox: '104',
     hermes: '0.11',
+    rhino: '1.8.0',
     safari: '15.4',
   },
   'es.typed-array.for-each': {
@@ -2069,12 +2115,14 @@ export const data = {
     chrome: '110',
     deno: '1.27',
     firefox: '115',
+    rhino: '1.8.0',
     safari: '16.0',
   },
   'es.typed-array.to-sorted': {
     chrome: '110',
     deno: '1.27',
     firefox: '115',
+    rhino: '1.8.0',
     safari: '16.0',
   },
   'es.typed-array.to-string': {
@@ -2089,6 +2137,7 @@ export const data = {
     chrome: '110',
     deno: '1.27',
     firefox: '115',
+    rhino: '1.8.0',
     safari: '16.4',
   },
   'es.unescape': {
diff --git a/tests/compat/rhino-adapter.mjs b/tests/compat/rhino-adapter.mjs
index bdb6d302609e..40c93fa0fe4c 100644
--- a/tests/compat/rhino-adapter.mjs
+++ b/tests/compat/rhino-adapter.mjs
@@ -1,9 +1,3 @@
-const [version] = argv._;
+const [path] = argv._;
 
-const rhino = await fetch(
-  `https://github.com/mozilla/rhino/releases/download/Rhino${ version.replace(/\./g, '_') }_Release/rhino-${ version }.jar`,
-);
-
-await fs.writeFile('tests/compat/rhino.jar', Buffer.from(await rhino.arrayBuffer()));
-
-await $`java -jar tests/compat/rhino.jar -version 200 -require tests/compat/rhino-runner.js`;
+await $`java -jar ${ path } -version 200 -require tests/compat/rhino-runner.js`;