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-rw-r--r--actioncable/actioncable.gemspec1
1 files changed, 1 insertions, 0 deletions
diff --git a/actioncable/actioncable.gemspec b/actioncable/actioncable.gemspec
index a72c0d2608..a95e8f8bda 100644
--- a/actioncable/actioncable.gemspec
+++ b/actioncable/actioncable.gemspec
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
version = File.read(File.expand_path("../RAILS_VERSION", __dir__)).strip
Gem::Specification.new do |s|