diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6ae5b2..07aede4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
+### 1.3.6 (2018-10-19)
+
+- [#63](https://github.com/spovich/mandrill_dm/pull/63) Adopt Mail::Field#unparsed_value public API, thanks @tensho
+
 ### 1.3.5 (2017-12-30)
 
-- [#55](https://github.com/spovich/mandrill_dm/pull/60) Add support for mail 2.7, thanks @tensho
+- [#60](https://github.com/spovich/mandrill_dm/pull/60) Add support for mail 2.7, thanks @tensho
 
 ### 1.3.4 (2017-05-28)
 
diff --git a/mandrill_dm.gemspec b/mandrill_dm.gemspec
index 67242c1..fd6d966 100644
--- a/mandrill_dm.gemspec
+++ b/mandrill_dm.gemspec
@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.name = 'mandrill_dm'
-  s.version = '1.3.5'
-  s.date = '2017-12-30'
+  s.version = '1.3.6'
+  s.date = '2018-10-19'
   s.summary = 'A basic Mandrill delivery method for Rails.'
   s.description = 'A basic Mandrill delivery method for Rails.'
   s.authors = ['Jonathan Berglund', 'John Dell', 'Kirill Shnurov']