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-rw-r--r--lib/bundler/ruby_version.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/bundler/ruby_version.rb b/lib/bundler/ruby_version.rb
index ebfdb1a086..80dc444f93 100644
--- a/lib/bundler/ruby_version.rb
+++ b/lib/bundler/ruby_version.rb
@@ -49,7 +49,7 @@ module Bundler
([\d.]+) # ruby version
(?:p(-?\d+))? # optional patchlevel
(?:\s\((\S+)\s(.+)\))? # optional engine info
- /xo
+ /xo.freeze
# Returns a RubyVersion from the given string.
# @param [String] the version string to match.