diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5611eb1..d5b58d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to QingStor SDK for JAVA will be documented in this file.
 
+## [v2.6.2] - 2023-07-28
+
+### Fixed
+
+- Fix race condition when build request signature.
+
 ## [v2.6.1] - 2023-07-28
 
 ### Added
diff --git a/build.gradle b/build.gradle
index 46dc4e3..13bdbc4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
 
 group = 'com.yunify'
 // Pass command-line option: -Psdk_version=x.x.x if you want build a different version.
-version = findProperty('sdk_version') ?: '2.6.1'
+version = findProperty('sdk_version') ?: '2.6.2'
 
 repositories {
     mavenCentral()
diff --git a/docs/install.md b/docs/install.md
index 3fad1c0..01412b2 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -12,7 +12,7 @@ Gradle:
 
 ```gradle
 dependencies {
-  implementation 'com.yunify:qingstor.sdk.java:2.6.1'
+  implementation 'com.yunify:qingstor.sdk.java:2.6.2'
 }
 ```
 
@@ -22,7 +22,7 @@ Maven:
 <dependency>
   <groupId>com.yunify</groupId>
   <artifactId>qingstor.sdk.java</artifactId>
-  <version>2.6.1</version>
+  <version>2.6.2</version>
 </dependency>
 ```
 
diff --git a/docs/install_zh-CN.md b/docs/install_zh-CN.md
index 592e1e0..4964087 100644
--- a/docs/install_zh-CN.md
+++ b/docs/install_zh-CN.md
@@ -12,7 +12,7 @@ Gradle:
 
 ```gradle
 dependencies {
-  implementation 'com.yunify:qingstor.sdk.java:2.6.1'
+  implementation 'com.yunify:qingstor.sdk.java:2.6.2'
 }
 ```
 
@@ -22,7 +22,7 @@ Maven:
 <dependency>
   <groupId>com.yunify</groupId>
   <artifactId>qingstor.sdk.java</artifactId>
-  <version>2.6.1</version>
+  <version>2.6.2</version>
 </dependency>
 ```