diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8185a75c4597..6f5b2b4d9441 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@
   - 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 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
 
 ##### [3.39.0 - 2024.10.31](https://github.com/zloirock/core-js/releases/tag/v3.39.0)
diff --git a/packages/core-js-compat/src/mapping.mjs b/packages/core-js-compat/src/mapping.mjs
index 51a90d01aba4..46274d192c7d 100644
--- a/packages/core-js-compat/src/mapping.mjs
+++ b/packages/core-js-compat/src/mapping.mjs
@@ -174,7 +174,8 @@ export default {
   ChromeToOpera(chrome) {
     return chrome <= 28 ? 15
          : chrome <= 82 ? chrome - 13
-         : chrome - 14;
+         : chrome <= 129 ? chrome - 14
+         : chrome - 15;
   },
   ChromeToAndroid: [
     [9, '3.0'],