diff --git a/lib/pact/retry.rb b/lib/pact/retry.rb
index 06a2f7fe..242e5af3 100644
--- a/lib/pact/retry.rb
+++ b/lib/pact/retry.rb
@@ -1,3 +1,5 @@
+require 'pact/errors'
+
 module Pact
   class Retry
     class RescuableError