diff --git a/treedatastructure/build.gradle b/treedatastructure/build.gradle
index 3f12af7..9caa5d8 100644
--- a/treedatastructure/build.gradle
+++ b/treedatastructure/build.gradle
@@ -15,7 +15,7 @@ android {
         minSdkVersion 15
         targetSdkVersion 29
         versionCode 1
-        versionName "1.2.1"
+        versionName "1.2.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-rules.pro'