diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf11946..374313c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-### Version 1.4.0.beta
+### Version 1.4.0
 * Add support to instrument all controller actions, e.g., `instrument_action :all`.
 
 ### Version 1.3.0
diff --git a/lib/librato/rails/version.rb b/lib/librato/rails/version.rb
index 90ca9cb..7831101 100644
--- a/lib/librato/rails/version.rb
+++ b/lib/librato/rails/version.rb
@@ -1,5 +1,5 @@
 module Librato
   module Rails
-    VERSION = "1.4.0.beta"
+    VERSION = "1.4.0"
   end
 end