diff --git a/README.md b/README.md
index 0a5a3bda..daf65a79 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # <div align="center"><a href="#dummy"><img src="docs/logo.png" alt="🦝 CompletableFuture Fu (CF-Fu)"></a></div>
 
-> 🚧 项目还在开发中，发布了`v0.x`版本： [![Maven Central](https://img.shields.io/maven-central/v/io.foldright/cffu?logo=apache-maven&label=cffu&logoColor=white)](https://central.sonatype.com/artifact/io.foldright/cffu/0.8.3/versions)
+> 🚧 项目还在开发中，发布了`v0.x`版本： [![Maven Central](https://img.shields.io/maven-central/v/io.foldright/cffu?logo=apache-maven&label=cffu&logoColor=white)](https://central.sonatype.com/artifact/io.foldright/cffu/0.9.0/versions)
 >
 > 工作项列表及其进展，参见 [issue 6](https://github.com/foldright/cffu/issues/6)。
 
@@ -14,7 +14,7 @@
 <a href="https://kotlinlang.org"><img src="https://img.shields.io/badge/Kotlin-1.5+-7F52FF.svg?logo=kotlin&logoColor=white" alt="Kotlin"></a>
 <a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/foldright/cffu?color=4D7A97&logo=apache" alt="License"></a>
 <a href="https://foldright.io/cffu/apidocs/"><img src="https://img.shields.io/github/release/foldright/cffu?label=javadoc&color=339933&logo=microsoft-academic&logoColor=white" alt="Javadocs"></a>
-<a href="https://central.sonatype.com/artifact/io.foldright/cffu/0.8.3/versions"><img src="https://img.shields.io/maven-central/v/io.foldright/cffu?logo=apache-maven&logoColor=white" alt="Maven Central"></a>
+<a href="https://central.sonatype.com/artifact/io.foldright/cffu/0.9.0/versions"><img src="https://img.shields.io/maven-central/v/io.foldright/cffu?logo=apache-maven&logoColor=white" alt="Maven Central"></a>
 <a href="https://github.com/foldright/cffu/releases"><img src="https://img.shields.io/github/release/foldright/cffu.svg" alt="GitHub Releases"></a>
 <a href="https://github.com/foldright/cffu/stargazers"><img src="https://img.shields.io/github/stars/foldright/cffu" alt="GitHub Stars"></a>
 <a href="https://github.com/foldright/cffu/fork"><img src="https://img.shields.io/github/forks/foldright/cffu" alt="GitHub Forks"></a>
@@ -416,7 +416,7 @@ For `Maven` projects:
 <dependency>
   <groupId>io.foldright</groupId>
   <artifactId>cffu</artifactId>
-  <version>0.8.3</version>
+  <version>0.9.0</version>
 </dependency>
 ```
 
@@ -424,13 +424,13 @@ For `Gradle` projects:
 
 ```groovy
 // Gradle Kotlin DSL
-implementation("io.foldright:cffu:0.8.3")
+implementation("io.foldright:cffu:0.9.0")
 
 // Gradle Groovy DSL
-implementation 'io.foldright:cffu:0.8.3'
+implementation 'io.foldright:cffu:0.9.0'
 ```
 
-可以在 [central.sonatype.com](https://central.sonatype.com/artifact/io.foldright/cffu/0.8.3/versions) 查看最新版本与可用版本列表。
+可以在 [central.sonatype.com](https://central.sonatype.com/artifact/io.foldright/cffu/0.9.0/versions) 查看最新版本与可用版本列表。
 
 # 👋 ∞、关于库名
 
diff --git a/pom.xml b/pom.xml
index c8ad3fbb..7208bfc9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>io.foldright</groupId>
 	<artifactId>cffu</artifactId>
-	<version>0.9.0-SNAPSHOT</version>
+	<version>0.9.0</version>
 	<name>CompletableFuture-Fu(cffu)</name>
 	<description>
 		🦝 A tiny 0-dependency sidekick library for CompletableFuture