diff --git a/CHANGELOG.md b/CHANGELOG.md
index 480602c..1a2b669 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [9.1.0] - 2026-08-04
+
 ### Added
 
 - masfeat real wire mapping (#3254 pin-advance batch). `RegistrySummary`
diff --git a/pom.xml b/pom.xml
index 6f4ade4..26952a8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.getaxonflow</groupId>
     <artifactId>axonflow-sdk</artifactId>
-    <version>9.0.0</version>
+    <version>9.1.0</version>
     <packaging>jar</packaging>
 
     <name>AxonFlow Java SDK</name>