diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2765113..5f0b846 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,11 @@
 # Change log
 
 ## develop (unreleased)
+### Changes
+* Stop using timer handler.
+* Use `-p`, `-l` and `-s` options of `trema run` in cucumber.
 
 
 ## 0.1.0 (2/10/2015)
-
 ### Misc
 * The initial release version of hello_trema that runs on [pure-Ruby Trema](https://github.com/trema/trema_ruby).