diff --git a/ChangeLog-8.5.md b/ChangeLog-8.5.md
index 5640beaa6d0..ae482ad5d7b 100644
--- a/ChangeLog-8.5.md
+++ b/ChangeLog-8.5.md
@@ -9,5 +9,9 @@ All notable changes of the PHPUnit 8.5 release series are documented in this fil
 * Implemented [#3911](https://github.com/sebastianbergmann/phpunit/issues/3911): Support combined use of `addMethods()` and `onlyMethods()`
 * Implemented [#3949](https://github.com/sebastianbergmann/phpunit/issues/3949): Introduce specialized assertions `assertFileEqualsCanonicalizing()`, `assertFileEqualsIgnoringCase()`, `assertStringEqualsFileCanonicalizing()`, `assertStringEqualsFileIgnoringCase()`, `assertFileNotEqualsCanonicalizing()`, `assertFileNotEqualsIgnoringCase()`, `assertStringNotEqualsFileCanonicalizing()`, and `assertStringNotEqualsFileIgnoringCase()` as alternative to using `assertFileEquals()` etc. with optional parameters
 
+### Changed
+
+* Implemented [#3950](https://github.com/sebastianbergmann/phpunit/issues/3950): Deprecate optional parameters of `assertFileEquals()` etc.
+
 [8.5.0]: https://github.com/sebastianbergmann/phpunit/compare/8.4...master