diff --git a/core/src/main/java/com/opensymphony/xwork2/AsyncManager.java b/core/src/main/java/com/opensymphony/xwork2/AsyncManager.java
index fb6563859..5bada9c77 100644
--- a/core/src/main/java/com/opensymphony/xwork2/AsyncManager.java
+++ b/core/src/main/java/com/opensymphony/xwork2/AsyncManager.java
@@ -24,7 +24,7 @@ import java.util.concurrent.Callable;
  * Adds support for invoke async actions. This allows us to support action methods that return {@link Callable}
  * as well as invoking them in separate not-container thread then executing the result in another container thread.
  *
- * @since 2.5.14
+ * @since 2.6
  */
 public interface AsyncManager {
     boolean hasAsyncActionResult();
diff --git a/plugins/async/pom.xml b/plugins/async/pom.xml
index b5e5ae02b..b92e8ad60 100644
--- a/plugins/async/pom.xml
+++ b/plugins/async/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.14-SNAPSHOT</version>
+        <version>2.6-SNAPSHOT</version>
     </parent>
 
     <artifactId>struts2-async-plugin</artifactId>
diff --git a/plugins/async/src/main/java/org/apache/struts2/async/AsyncAction.java b/plugins/async/src/main/java/org/apache/struts2/async/AsyncAction.java
index 27729d56b..3baf78fbd 100644
--- a/plugins/async/src/main/java/org/apache/struts2/async/AsyncAction.java
+++ b/plugins/async/src/main/java/org/apache/struts2/async/AsyncAction.java
@@ -24,7 +24,7 @@ import java.util.concurrent.Executor;
 /**
  * A {@link Callable} with a timeout value and an {@link Executor}.
  *
- * @since 2.5.14
+ * @since 2.6
  */
 public class AsyncAction implements Callable {
     private Callable callable;
diff --git a/plugins/async/src/main/java/org/apache/struts2/async/DefaultAsyncManager.java b/plugins/async/src/main/java/org/apache/struts2/async/DefaultAsyncManager.java
index 4617dca3b..1e84f27f0 100644
--- a/plugins/async/src/main/java/org/apache/struts2/async/DefaultAsyncManager.java
+++ b/plugins/async/src/main/java/org/apache/struts2/async/DefaultAsyncManager.java
@@ -35,7 +35,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 /**
  * Implements {@link AsyncManager} to add support for invoke async actions via Servlet 3's API.
  *
- * @since 2.5.14
+ * @since 2.6
  */
 public class DefaultAsyncManager implements AsyncManager, AsyncListener {
     private static final Logger LOG = LogManager.getLogger(DefaultAsyncManager.class);