diff --git a/script/db_timestamps_mover.rb b/script/db_timestamps_mover.rb
index 248f1893871..fc92d54b19b 100644
--- a/script/db_timestamps_mover.rb
+++ b/script/db_timestamps_mover.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 require "pg"
+require "date"
 
 usage = <<-TEXT
 Commands: