CHANGELOG.md in active_shipping-1.13.3 vs CHANGELOG.md in active_shipping-1.13.4

@@ -1,6 +1,11 @@
 # ActiveShipping CHANGELOG
 
+### v1.13.4
+- Upcase postal code for CanadaPostPWS
+- Fix failing USPS test
+- add .byebug_history to .gitignore
+
 ### v1.13.3
 - CanadaPostPWS no longer modifies locations passed to it
 
 ### v1.13.2
 - Bump active_utils to 3.3.1