diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8ece4c..4b67c6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## master (unreleased)
 
+* [#56](https://github.com/rubocop/rubocop-thread_safety/pull/56): Rename `ThreadSafety::InstanceVariableInClassMethod` cop to `ThreadSafety::ClassInstanceVariable` to better reflect its purpose. ([@viralpraxis](https://github.com/viralpraxis))
 * [#55](https://github.com/rubocop/rubocop-thread_safety/pull/55): Enhance `ThreadSafety::InstanceVariableInClassMethod` cop to detect offenses within `class_eval/exec` blocks. ([@viralpraxis](https://github.com/viralpraxis))
 * [#54](https://github.com/rubocop/rubocop-thread_safety/pull/54): Drop support for RuboCop older than 1.48. ([@viralpraxis](https://github.com/viralpraxis))
 * [#52](https://github.com/rubocop/rubocop-thread_safety/pull/52): Add new `RackMiddlewareInstanceVariable` cop to detect instance variables in Rack middleware. ([@viralpraxis](https://github.com/viralpraxis))