diff --git a/lib/cloudflare/rails/railtie.rb b/lib/cloudflare/rails/railtie.rb
index bb74587..1798c6c 100644
--- a/lib/cloudflare/rails/railtie.rb
+++ b/lib/cloudflare/rails/railtie.rb
@@ -1,3 +1,4 @@
+require "active_support/core_ext/integer/time"
 require "httparty"
 
 module Cloudflare