CHANGELOG.md in benchmark_driver-0.13.0 vs CHANGELOG.md in benchmark_driver-0.13.1

@@ -1,7 +1,12 @@
+# v0.13.1
+
+- Respect a magic comment in `prelude`
+
 # v0.13.0
 
 - Add support for benchmark with different versions of gems and preludes
+  - Only YAML is supported for now, Ruby interface will come later
 - [breaking change] Runner plugin interface is sightly changed
 
 # v0.12.0
 
 - [breaking change] Plugin interface is changed again