diff --git a/Changelog.md b/Changelog.md
index 1598f0e4a1..78970eb5df 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -5,6 +5,9 @@ Bug Fixes:
 
 * Emit a warning when `around` hook is used with `:context` scope
   (Phil Pirozhkov, #2687)
+* Prevent invalid implementations of `Exception#cause` from being treated as a
+  valid cause (and causing strange errors) in `RSpec::Core::Formatters::ExceptionPresenter`.
+  (Jon Rowe, #2703)
 
 ### 3.9.1 / 2019-12-28
 [Full Changelog](http://github.com/rspec/rspec-core/compare/v3.9.0...v3.9.1)