1 files changed, 16 insertions, 0 deletions
diff --git a/lib/bundler/rubygems_ext.rb b/lib/bundler/rubygems_ext.rb
index 0322b06d07..2bd2dcb451 100644
--- a/lib/bundler/rubygems_ext.rb
+++ b/lib/bundler/rubygems_ext.rb
@@ -158,6 +158,22 @@ module Gem
     end
   end
 
+  if Gem::Requirement.new("~> 2.0").hash == Gem::Requirement.new("~> 2.0.0").hash
+    class Requirement
+      module CorrectHashForLambdaOperator
+        def hash
+          if requirements.any? {|r| r.first == "~>" }
+            requirements.map {|r| r.first == "~>" ? [r[0], r[1].to_s] : r }.sort.hash
+          else
+            super
+          end
+        end
+      end
+
+      prepend CorrectHashForLambdaOperator
+    end
+  end
+
   class Platform
     JAVA  = Gem::Platform.new("java") unless defined?(JAVA)
     MSWIN = Gem::Platform.new("mswin32") unless defined?(MSWIN)