diff --git a/lib/vmstat/version.rb b/lib/vmstat/version.rb
index a28d0e3..64cf9ac 100644
--- a/lib/vmstat/version.rb
+++ b/lib/vmstat/version.rb
@@ -1,3 +1,3 @@
 module Vmstat
-  VERSION = "2.2.0"
+  VERSION = "2.2.1"
 end