diff --git a/mobile/build.gradle b/mobile/build.gradle
index 9afc839e..416b0499 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -17,8 +17,8 @@ android {
         minSdkVersion 21
         targetSdkVersion 28
         resConfigs "zh-rCN"
-        versionCode 108
-        versionName "2.1.0"
+        versionCode 109
+        versionName "2.1.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         javaCompileOptions {
             annotationProcessorOptions {