diff --git a/lib/appsignal/version.rb b/lib/appsignal/version.rb
index <HASH>..<HASH> 100644
--- a/lib/appsignal/version.rb
+++ b/lib/appsignal/version.rb
@@ -1,5 +1,5 @@
 require 'yaml'
 
 module Appsignal
-  VERSION = '0.12.beta.39'
+  VERSION = '0.12.beta.40'
 end
Bump to <I>.beta<I> [ci skip]