diff --git a/logstash.gemspec b/logstash.gemspec
index 8592399f3..ef507d3c6 100644
--- a/logstash.gemspec
+++ b/logstash.gemspec
@@ -55,6 +55,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency "xmpp4r", ["0.5"]
   gem.add_runtime_dependency "jls-lumberjack"
   gem.add_runtime_dependency "geoip", [">= 1.1.0"]
+  gem.add_runtime_dependency "beefcake", "0.3.7"
 
   if RUBY_PLATFORM == 'java'
     gem.platform = RUBY_PLATFORM