diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32459f9f5f270..9194d959a7a06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -63,6 +63,10 @@
 - [task] added task related context keys [#14757](https://github.com/eclipse-theia/theia/pull/14757)
 - [vsx-registry] added logic to load plugin readme from file system [#14699](https://github.com/eclipse-theia/theia/pull/14699)
 
+<a name="breaking_changes_1.58.1">[Breaking Changes:](#breaking_changes_1.58.1)</a>
+
+- [electron] It is now mandatory to bundle the Theia backend in Electron applications due to an updated dependency [#14781](https://github.com/eclipse-theia/theia/pull/14781) [#14812](https://github.com/eclipse-theia/theia/pull/14812). In case you are still using the non-bundled variant: Regenerate your webpack.config.js and adjust the entry point in the package.json of your Electron application. See [here](#breaking_changes_1.39.0) for more information.
+
 ## 1.57.0 - 12/16/2024
 
 - [ai] added initial support for MCP [#14598](https://github.com/eclipse-theia/theia/pull/14598)