diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d68bf3c..00505fdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -111,6 +111,7 @@ It includes many new rules, including all new techniques introduced in MITRE ATT
 - linter: summarize results at the end #571 @williballenthin
 - meta: added `library_functions` field, `feature_counts.functions` does not include library functions any more #562 @mr-tz
 - linter: check for `or` with always true child statement, e.g. `optional`, colors #348 @mr-tz
+- json: breaking change: record all matching strings for regex #159 @williballenthin
 
 ### Development