CHANGELOG.md in benchmark_driver-0.16.3 vs CHANGELOG.md in benchmark_driver-0.16.4

- old
+ new

@@ -1,4 +1,8 @@
+# v0.16.4
+
+- Fix broken output on `-o markdown --output-compare`
+
 # v0.16.3
 
 - Unset `GEM_PATH` and `GEM_HOME` in child processes to avoid warnings when using chruby
 
 # v0.16.2