CHANGELOG.md in ruby-builder-0.1.2 vs CHANGELOG.md in ruby-builder-0.1.3

- old
+ new

@@ -1,5 +1,9 @@
 # CHANGELOG
+## v0.1.3
+
+* Fix undefined variable error on command execution failure
+
 ## v0.1.2
 
 * Fix timestamp file removal bug in v0.1.1
 
 ## v0.1.1