CHANGELOG.md in frontkick-0.5.4 vs CHANGELOG.md in frontkick-0.5.5

@@ -1,4 +1,10 @@
+# 0.5.5 (2017/03/20)
+
+Enhancements:
+
+- Add :popen2e option
+
 # 0.5.4 (2017/01/12)
 
 Enhancements:
 
 - Support env argument