diff --git a/Library/Homebrew/language/python.rb b/Library/Homebrew/language/python.rb
index 165ee1da28..5fa55214cc 100644
--- a/Library/Homebrew/language/python.rb
+++ b/Library/Homebrew/language/python.rb
@@ -7,7 +7,7 @@ module Language
   # @api public
   module Python
     def self.major_minor_version(python)
-      version = /\d\.\d/.match `#{python} --version 2>&1`
+      version = /\d\.\d+/.match `#{python} --version 2>&1`
       return unless version
 
       Version.create(version.to_s)