diff --git a/lib/macho.rb b/lib/macho.rb
index a3c4a6891..f986fd09b 100644
--- a/lib/macho.rb
+++ b/lib/macho.rb
@@ -15,7 +15,7 @@
 # The primary namespace for ruby-macho.
 module MachO
   # release version
-  VERSION = "5.0.0"
+  VERSION = "6.0.0"
 
   # Opens the given filename as a MachOFile or FatFile, depending on its magic.
   # @param filename [String] the file being opened