diff --git a/Cargo.lock b/Cargo.lock
index d21ca0b..6187d65 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -136,7 +136,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "prettyjson"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "argparse 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "json 0.11.14 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 0a00cf9..504cb7d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "prettyjson"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 
diff --git a/src/main.rs b/src/main.rs
index 78eced1..fb34b1f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,7 +13,7 @@ use std::{
 use argparse::{ArgumentParser, StoreTrue, Store};
 use rust_util::*;
 
-const VERSION: &str = "0.1";
+const VERSION: &'static str = env!("CARGO_PKG_VERSION");
 
 fn print_version() {
     print!(r#"prettyjson {}