CHANGELOG.md in muffin_man-1.5.5 vs CHANGELOG.md in muffin_man-1.5.6

- old
+ new

@@ -1,4 +1,8 @@
+# 1.5.6
+
+- Sandbox support for create/delete shipments in Merchant Fulfillment [#42](https://github.com/patterninc/muffin_man/pull/42)
+
 # 1.5.5
 
 - Support for Merchant Fulfillment [#41](https://github.com/patterninc/muffin_man/pull/41)
 
 # 1.5.4