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-rw-r--r--actionpack/lib/action_dispatch/middleware/request_id.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/request_id.rb b/actionpack/lib/action_dispatch/middleware/request_id.rb
index 1925ffd9dd..805d3f2148 100644
--- a/actionpack/lib/action_dispatch/middleware/request_id.rb
+++ b/actionpack/lib/action_dispatch/middleware/request_id.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "securerandom"
require "active_support/core_ext/string/access"