diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f6dedd..bdb5ff3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## master ##
+## 1.10.0 ##
   * Allow Launchy 3.0+.
 
 ## 1.9.0 ##
diff --git a/letter_opener.gemspec b/letter_opener.gemspec
index 2893883..b197c6f 100644
--- a/letter_opener.gemspec
+++ b/letter_opener.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = "letter_opener"
-  s.version     = "1.9.0"
+  s.version     = "1.10.0"
   s.author      = "Ryan Bates"
   s.email       = "ryan@railscasts.com"
   s.homepage    = "https://github.com/ryanb/letter_opener"