diff --git a/lib/moonshot/tools/asg_rollout/asg.rb b/lib/moonshot/tools/asg_rollout/asg.rb
index d483ecb5..afa05f65 100644
--- a/lib/moonshot/tools/asg_rollout/asg.rb
+++ b/lib/moonshot/tools/asg_rollout/asg.rb
@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'aws-sdk-elasticloadbalancing'
+require 'aws-sdk-autoscaling'
+
 module Moonshot
   module Tools
     class ASGRollout
diff --git a/moonshot.gemspec b/moonshot.gemspec
index ba499c53..6206b1e3 100644
--- a/moonshot.gemspec
+++ b/moonshot.gemspec
@@ -20,6 +20,7 @@ Gem::Specification.new do |s|
   s.add_dependency('aws-sdk-autoscaling', '~> 1.5')
   s.add_dependency('aws-sdk-cloudformation', '~> 1.4')
   s.add_dependency('aws-sdk-codedeploy', '~> 1.5')
+  s.add_dependency('aws-sdk-elasticloadbalancing', '~> 1.3')
   s.add_dependency('aws-sdk-ec2', '~> 1.34')
   s.add_dependency('aws-sdk-iam', '~> 1.4')
   s.add_dependency('aws-sdk-s3', '~> 1.12')