CHANGELOG.md in benchmark_driver-0.14.19 vs CHANGELOG.md in benchmark_driver-0.14.20

- old
+ new

@@ -1,4 +1,8 @@
+# v0.14.20
+
+- Add `block` runner to automatically wrap a Ruby block in script for benchmarking MJIT
+
 # v0.14.19
 
 - Improve v0.14.18's Bundler integration for ruby/ruby's `make run`
 
 # v0.14.18