CHANGELOG.md in muffin_man-1.5.11 vs CHANGELOG.md in muffin_man-1.5.12

@@ -1,4 +1,8 @@
+# 1.5.12 [#45](https://github.com/patterninc/muffin_man/pull/45)
+
+- Small update to putTransportDetails
+
 # 1.5.11
 
 - Add sandbox support for inbound small parcel get labels
 
 # 1.5.10