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-rw-r--r--actionmailer/actionmailer.gemspec2
1 files changed, 2 insertions, 0 deletions
diff --git a/actionmailer/actionmailer.gemspec b/actionmailer/actionmailer.gemspec
index ae908ddda7..b8a2e80bd3 100644
--- a/actionmailer/actionmailer.gemspec
+++ b/actionmailer/actionmailer.gemspec
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
version = File.read(File.expand_path("../RAILS_VERSION", __dir__)).strip
Gem::Specification.new do |s|