diff --git a/expandable-recyclerview/build.gradle b/expandable-recyclerview/build.gradle
index fdd5187..b508f5d 100644
--- a/expandable-recyclerview/build.gradle
+++ b/expandable-recyclerview/build.gradle
@@ -14,6 +14,7 @@ android {
     defaultConfig {
         minSdkVersion 23
         targetSdkVersion 33
+        versionName "2.1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-rules.pro'