diff --git a/README.md b/README.md
index 339e48ea..9cae476c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Petio
+# Petio 0.5.5
 
 <p align="center">
   <img src="https://img.shields.io/github/package-json/v/petio-team/petio/master?label=Latest">