diff --git a/lib/postal/http.rb b/lib/postal/http.rb
index 960e061..143be05 100644
--- a/lib/postal/http.rb
+++ b/lib/postal/http.rb
@@ -42,7 +42,7 @@ module Postal
         #request.add_field 'X-Postal-Signature', signature
       end
 
-      request['User-Agent'] = options[:user_agent] || "Postal/#{Postal::VERSION}"
+      request['User-Agent'] = options[:user_agent] || "Postal/#{Postal.version}"
 
       connection = Net::HTTP.new(uri.host, uri.port)
 
diff --git a/lib/postal/version.rb b/lib/postal/version.rb
index 6321e76..de37751 100644
--- a/lib/postal/version.rb
+++ b/lib/postal/version.rb
@@ -1,3 +1,11 @@
 module Postal
+
   VERSION = '1.0.0'
+  REVISION = nil
+  CHANNEL = 'dev'
+
+  def self.version
+    [VERSION, REVISION, CHANNEL].compact.join('-')
+  end
+
 end
diff --git a/script/version.rb b/script/version.rb
index 023b67a..42c8317 100644
--- a/script/version.rb
+++ b/script/version.rb
@@ -1,3 +1,3 @@
 #!/usr/bin/env ruby
 require File.expand_path('../../lib/postal/version', __FILE__)
-puts Postal::VERSION
+puts Postal.version