diff --git a/app/build.gradle b/app/build.gradle
index 3b8d6d08..69923c44 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,8 +21,8 @@ android {
         targetSdkVersion target_sdk_version
         minSdkVersion min_sdk_version
 
-        versionCode 439
-        versionName "4.3.9"
+        versionCode 440
+        versionName "4.4.0"
         applicationId "jp.juggler.subwaytooter"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }