diff --git a/app/build.gradle b/app/build.gradle
index 5cc0ed8a..58dc9527 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId "com.example.jingbin.cloudreader"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 23
-        versionName "2.1"
+        versionCode 24
+        versionName "2.2"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         renderscriptTargetApi 19
         renderscriptSupportModeEnabled true