diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53a23358e..3288acdeb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -232,6 +232,7 @@
 * [ENHANCEMENT] grpcclient: Support custom gRPC compressors. #583
 * [ENHANCEMENT] Adapt `metrics.SendSumOfGaugesPerTenant` to use `metrics.MetricOption`. #584
 * [ENHANCEMENT] Cache: Add `.Add()` and `.Set()` methods to cache clients. #591
+* [ENHANCEMENT] Cache: Add `.Advance()` methods to mock cache clients for easier testing of TTLs. #601
 * [CHANGE] Backoff: added `Backoff.ErrCause()` which is like `Backoff.Err()` but returns the context cause if backoff is terminated because the context has been canceled. #538
 * [BUGFIX] spanlogger: Support multiple tenant IDs. #59
 * [BUGFIX] Memberlist: fixed corrupted packets when sending compound messages with more than 255 messages or messages bigger than 64KB. #85