1 files changed, 1 insertions, 0 deletions
diff --git a/lib/arel/math.rb b/lib/arel/math.rb
index 04cae84598..9e6549b58f 100644
--- a/lib/arel/math.rb
+++ b/lib/arel/math.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module Arel
   module Math
     def *(other)