CHANGELOG.md in statsd-instrument-3.5.7 vs CHANGELOG.md in statsd-instrument-3.5.8

@@ -4,9 +4,13 @@
 creating a pull request, please add an entry to the "unreleased changes"
 section below.
 
 ## Unreleased changes
 
+## Version 3.5.8
+
+- Allow the `tag_error_class` option for `statsd_count_success` in strict mode.
+
 ## Version 3.5.7
 
 - Improve time measurement to avoid seconds to milliseconds conversions.
 
 ## Version 3.5.6