diff --git a/gradle.properties b/gradle.properties
index 8bb82af..ca80a47 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@
 # limitations under the License.
 #
 group=me.ahoo.cosec
-version=2.8.2
+version=2.9.0
 description=RBAC-based And Policy-based Multi-Tenant Reactive Security Framework.
 website=https://github.com/Ahoo-Wang/CoSec
 issues=https://github.com/Ahoo-Wang/CoSec/issues