diff --git a/Cargo.lock b/Cargo.lock
index b3e0d80..60143ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -118,7 +118,7 @@ dependencies = [
 
 [[package]]
 name = "pipecolor"
-version = "0.2.4-pre"
+version = "0.3.0"
 dependencies = [
  "atty 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index ec3ff51..535f104 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pipecolor"
-version = "0.2.4-pre"
+version = "0.3.0"
 authors = ["dalance@gmail.com"]
 repository = "https://github.com/dalance/pipecolor"
 categories = ["command-line-utilities", "value-formatting"]