diff --git a/lib/cocoapods/podfile.rb b/lib/cocoapods/podfile.rb
index 5e9258ff1c..cd37f880d8 100644
--- a/lib/cocoapods/podfile.rb
+++ b/lib/cocoapods/podfile.rb
@@ -223,7 +223,13 @@ def platform(name, target = nil)
         when :ios
           target = '4.3'
         when :osx
-          target = '10.6'
+          # Get the current version of OS X if we can, otherwise default to 10.6
+          begin
+            os_version = `sw_vers -productVersion`.chomp
+            target = os_version.split('.')[0, 2].join('.')
+          rescue
+            target = '10.6'
+          end
         else
           raise ::Pod::Podfile::Informative, "Unsupported platform: platform must be one of [:ios, :osx]"
         end