diff --git a/library.properties b/library.properties
index f7973c0..e9b5417 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=DynamixelShield
-version=0.0.3
+version=0.0.4
 author=ROBOTIS
 maintainer=Kei(kkw@robotis.com)
 sentence=DynamixelShield Library for Arduino
diff --git a/src/DynamixelShield.h b/src/DynamixelShield.h
index f1ba5f0..aa45eae 100644
--- a/src/DynamixelShield.h
+++ b/src/DynamixelShield.h
@@ -15,6 +15,7 @@
 *******************************************************************************/
 
 /* 
+ * Version: 0.0.4
  * Authors: Hancheol Cho (Baram) 
  *          KyungWan Ki  (Kei)
  */