diff --git a/CHANGELOG.md b/CHANGELOG.md
index fad0996..92a0b70 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## [Upcoming]
 
+## [0.1.1] 2019-09-26
+
+### Changed
+
+- Add `updated_on` field to `Meta` struct [[#4](https://github.com/kuy/jsonbox-rs/issues/4)]
+
 ## [0.1.0] 2019-09-25
 
 A version of nearly feature-complete.
diff --git a/Cargo.toml b/Cargo.toml
index 8f01b83..647654c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "jsonbox"
-version = "0.1.0"
+version = "0.1.1"
 authors = ["Yuki Kodama <endflow.net@gmail.com>"]
 description = "Rust wrapper for jsonbox.io"
 homepage = "https://github.com/kuy/jsonbox-rs"