diff --git a/Makefile b/Makefile
index 888575c..a2579bb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION     := 0.2.1
+VERSION     := 0.3.0
 GO_BUILDOPT := -ldflags '-s -w -X main.version $(VERSION)'
 
 gom:
diff --git a/README.md b/README.md
index 3b2966b..7e00a40 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## ohgi v0.2.1
+## ohgi v0.3.0
 
 ![image.png](https://raw.githubusercontent.com/hico-horiuchi/ohgi/master/image.png)