CHANGELOG.md in statsd-instrument-3.5.8 vs CHANGELOG.md in statsd-instrument-3.5.9

@@ -4,9 +4,13 @@
 creating a pull request, please add an entry to the "unreleased changes"
 section below.
 
 ## Unreleased changes
 
+## Version 3.5.9
+
+- Fix dynamic tags being evaluated only once.
+
 ## Version 3.5.8
 
 - Allow the `tag_error_class` option for `statsd_count_success` in strict mode.
 
 ## Version 3.5.7