diff --git a/Cargo.toml b/Cargo.toml
index 8852e70..28d07bb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "keeprunningd"
-version = "0.2.0"
+version = "0.3.0"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 
diff --git a/README.md b/README.md
index 5ee500c..f932032 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # keeprunningd
 
 * Changelog
+    * v0.3.0 - add file lock
     * v0.2.0 - add restart command
     * v0.1.0 - first version