diff --git a/Gemfile.lock b/Gemfile.lock
index 3cd2415..c8c0536 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    chargify_api_ares (1.4.14)
+    chargify_api_ares (1.4.15)
       activeresource (>= 3.2.16)
 
 GEM
@@ -67,4 +67,4 @@ DEPENDENCIES
   vcr
 
 BUNDLED WITH
-   1.16.0
+   1.16.1
diff --git a/HISTORY.md b/HISTORY.md
index fbd28cf..dea3eed 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,8 @@
+## 1.4.15 / June 20, 2018
+
+* Changes Subscription#remove_coupon to use coupon_code instead of code [PR 165](https://github.com/chargify/chargify_api_ares/pull/165).  
+  With this change, the currently applied coupon code must be passed for removal to occur.
+
 ## 1.4.14 / December 7, 2017
 
 * Allows canceling a subscription with all supported attributes [PR 161](https://github.com/chargify/chargify_api_ares/pull/161)
diff --git a/chargify_api_ares.gemspec b/chargify_api_ares.gemspec
index d3a0143..126ac51 100644
--- a/chargify_api_ares.gemspec
+++ b/chargify_api_ares.gemspec
@@ -4,8 +4,8 @@ Gem::Specification.new do |s|
   s.rubygems_version          = '1.3.7'
 
   s.name        = 'chargify_api_ares'
-  s.version     = '1.4.14'
-  s.date        = '2017-12-07'
+  s.version     = '1.4.15'
+  s.date        = '2018-06-20'
   s.summary     = 'A Chargify API wrapper for Ruby using ActiveResource'
   s.description = ''
   s.authors     = ["Chargify Development Team"]