diff --git a/trident-java/build.gradle b/trident-java/build.gradle
index 7fbc31c..35317d6 100644
--- a/trident-java/build.gradle
+++ b/trident-java/build.gradle
@@ -8,7 +8,7 @@ ext {
 }
 
 allprojects {
-    version '0.2.0'
+    version '0.2.1'
     group = 'org.tron.trident'
 
     repositories {