diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52486dd..cf6dd0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
-# [unreleased]
+# ChessKit 0.10.0
+Released Friday, June 21, 2024.
 
 ### Improvements
 
diff --git a/README.md b/README.md
index abebdc9..2b03ff4 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ For a related Swift package that contains chess engines such as [Stockfish](http
 	* In an [app built in Xcode](https://developer.apple.com/documentation/xcode/adding-package-dependencies-to-your-app),
 	* or [as a dependency to another Swift Package](https://www.swift.org/documentation/package-manager/#importing-dependencies).
 ``` swift
-.package(url: "https://github.com/chesskit-app/chesskit-swift", from: "0.9.0")
+.package(url: "https://github.com/chesskit-app/chesskit-swift", from: "0.10.0")
 ```
 
 2. Next, import `ChessKit` to use it in Swift code: