diff --git a/CHANGELOG.md b/CHANGELOG.md
index 582f5ff1e..af533cdd5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## milvus-sdk-java 2.6.16 (2026-03-19)
+### Feature
+- Add truncateCollection() interface for MilvusClientV2
+
+### Bug
+- Fix a potential risk to send multiple http requests to global cluster endpoint in short time
+- Fix NoSuchMethodError on Java 8 for java.nio.ByteBuffer when querying with sparse vector field
+
 ## milvus-sdk-java 2.6.15 (2026-03-09)
 ### Feature
 - Add client support for global cluster
diff --git a/README.md b/README.md
index ab5e7e956..ec9e86b65 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ The following table shows compatibilities between Milvus and Java SDK.
 |     2.3.x      |      2.3.11      |
 |     2.4.x      |      2.4.11      |
 |     2.5.x      |      2.5.15      |
-|     2.6.x      |      2.6.15      |
+|     2.6.x      |      2.6.16      |
 
 ### Install Java SDK
 
@@ -34,20 +34,20 @@ You can use **Apache Maven** or **Gradle** add Milvus SDK to your project.
         <dependency>
             <groupId>io.milvus</groupId>
             <artifactId>milvus-sdk-java</artifactId>
-            <version>2.6.15</version>
+            <version>2.6.16</version>
         </dependency>
        ```
 
    - Gradle/Groovy
 
         ```groovy
-        implementation 'io.milvus:milvus-sdk-java:2.6.15'
+        implementation 'io.milvus:milvus-sdk-java:2.6.16'
         ```
 
    - Gradle/Kotlin
 
         ```kotlin
-        implementation("io.milvus:milvus-sdk-java:2.6.15")
+        implementation("io.milvus:milvus-sdk-java:2.6.16")
         ```
   
 From v2.5.2, milvus Java SDK is split into two packages: milvus-sdk-java and milvus-sdk-java-bulkwriter, because BulkWriter requires quite a lot of dependencies. If you don't need BulkWriter tool, you can ignore the milvus-sdk-java-bulkwriter package.
@@ -59,20 +59,20 @@ To use BulkWriter, import milvus-sdk-java-bulkwriter to your project.
      <dependency>
          <groupId>io.milvus</groupId>
          <artifactId>milvus-sdk-java-bulkwriter</artifactId>
-         <version>2.6.15</version>
+         <version>2.6.16</version>
      </dependency>
     ```
 
    - Gradle/Groovy
 
      ```groovy
-     implementation 'io.milvus:milvus-sdk-java-bulkwriter:2.6.15'
+     implementation 'io.milvus:milvus-sdk-java-bulkwriter:2.6.16'
      ```
 
    - Gradle/Kotlin
 
      ```kotlin
-     implementation("io.milvus:milvus-sdk-java-bulkwriter:2.6.15")
+     implementation("io.milvus:milvus-sdk-java-bulkwriter:2.6.16")
      ```     
 
 ### Examples
diff --git a/examples/pom.xml b/examples/pom.xml
index 6eebc6385..7efc18663 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -42,7 +42,7 @@
     </build>
 
     <properties>
-        <revision>2.6.15</revision>
+        <revision>2.6.16</revision>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/pom.xml b/pom.xml
index eda703a7d..971b369cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,7 +82,7 @@
     </repositories>
 
     <properties>
-        <revision>2.6.15</revision>
+        <revision>2.6.16</revision>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>