diff --git a/spec/lib/gitlab/email/email_shared_blocks.rb b/spec/lib/gitlab/email/email_shared_blocks.rb
index eeaf427d39d8824b3b947fee1ed74ede7c505b83..c1dc1003831fe93bb4493d74929a0c59c0ad0fd2 100644
--- a/spec/lib/gitlab/email/email_shared_blocks.rb
+++ b/spec/lib/gitlab/email/email_shared_blocks.rb
@@ -1,3 +1,4 @@
+require 'gitlab/email/receiver'
 
 shared_context :email_shared_context do
   let(:mail_key) { "59d8df8370b7e95c5a49fbf86aeb2c93" }