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-rw-r--r--lib/rubygems/resolver.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rubygems/resolver.rb b/lib/rubygems/resolver.rb
index fdb5ca9cf21..c56f2249213 100644
--- a/lib/rubygems/resolver.rb
+++ b/lib/rubygems/resolver.rb
@@ -1,5 +1,6 @@
require 'rubygems/dependency'
require 'rubygems/exceptions'
+require 'rubygems/util'
require 'rubygems/util/list'
require 'uri'