1 files changed, 6 insertions, 0 deletions
diff --git a/lib/rubygems/version.rb b/lib/rubygems/version.rb
index 62af34462d..ecf9f2b4ce 100644
--- a/lib/rubygems/version.rb
+++ b/lib/rubygems/version.rb
@@ -238,6 +238,12 @@ class Gem::Version
     initialize array[0]
   end
 
+  def yaml_initialize(tag, map)
+    @version = map['version']
+    @segments = nil
+    @hash = nil
+  end
+
   ##
   # A version is considered a prerelease if it contains a letter.