CHANGELOG.md in benchmark_driver-0.14.5 vs CHANGELOG.md in benchmark_driver-0.14.6

@@ -1,4 +1,11 @@
+# v0.14.6
+
+- Improve option parser validation
+- Add `--timeout` option only for Linux having timeout(1)
+- Support `--version` option
+- Fix help output for `-e`/`--rbenv` in benchmark-driver command
+
 # v0.14.5
 
 - Fix wrong spacing format in simple / markdown output
 
 # v0.14.4