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-rw-r--r--ext/ripper/lib/ripper.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/ripper/lib/ripper.rb b/ext/ripper/lib/ripper.rb
index 542bd40..c5c3a80 100644
--- a/ext/ripper/lib/ripper.rb
+++ b/ext/ripper/lib/ripper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'ripper/core'
require 'ripper/lexer'
require 'ripper/filter'