diff --git a/app/src/main/java/com/topjohnwu/magisk/core/download/DownloadService.kt b/app/src/main/java/com/topjohnwu/magisk/core/download/DownloadService.kt
index 76cc8e406..ba4804ab1 100644
--- a/app/src/main/java/com/topjohnwu/magisk/core/download/DownloadService.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/download/DownloadService.kt
@@ -27,9 +27,11 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import timber.log.Timber
+import java.io.ByteArrayInputStream
 import java.io.IOException
 import java.io.InputStream
 import java.io.OutputStream
+import java.util.Properties
 import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
 import java.util.zip.ZipInputStream
@@ -76,7 +78,7 @@ class DownloadService : NotificationService() {
 
     private fun handleApp(stream: InputStream, subject: Subject.App) {
         fun writeTee(output: OutputStream) {
-            val uri =  MediaStoreUtils.getFile("${subject.title}.apk").uri
+            val uri = MediaStoreUtils.getFile("${subject.title}.apk").uri
             val external = uri.outputStream()
             stream.copyAndClose(TeeOutputStream(external, output))
         }
@@ -87,7 +89,11 @@ class DownloadService : NotificationService() {
                 // Download full APK to stub update path
                 writeTee(updateApk.outputStream())
 
-                if (Info.stub!!.version < subject.stub.versionCode) {
+                val zf = ZipFile(updateApk)
+                val prop = Properties()
+                prop.load(ByteArrayInputStream(zf.comment.toByteArray()))
+                val stubVersion = prop.getProperty("stubVersion").toIntOrNull() ?: -1
+                if (Info.stub!!.version < stubVersion) {
                     // Also upgrade stub
                     notifyUpdate(subject.notifyId) {
                         it.setProgress(0, 0, true)
@@ -97,12 +103,12 @@ class DownloadService : NotificationService() {
 
                     // Extract stub
                     val apk = subject.file.toFile()
-                    val zf = ZipFile(updateApk)
                     zf.getInputStream(zf.getEntry("assets/stub.apk")).writeTo(apk)
+                    zf.close()
 
                     // Patch and install
-                    subject.intent = HideAPK.upgrade(this, apk) ?:
-                        throw IOException("HideAPK patch error")
+                    subject.intent = HideAPK.upgrade(this, apk)
+                        ?: throw IOException("HideAPK patch error")
                     apk.delete()
                 } else {
                     ActivityTracker.foreground?.let {
diff --git a/app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt b/app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt
index fdac8b0fe..5e0e777c8 100644
--- a/app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt
@@ -10,7 +10,6 @@ import androidx.core.net.toUri
 import com.topjohnwu.magisk.core.Info
 import com.topjohnwu.magisk.core.di.AppContext
 import com.topjohnwu.magisk.core.model.MagiskJson
-import com.topjohnwu.magisk.core.model.StubJson
 import com.topjohnwu.magisk.core.model.module.OnlineModule
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils
 import com.topjohnwu.magisk.ktx.cachedFile
@@ -59,7 +58,6 @@ sealed class Subject : Parcelable {
     @Parcelize
     class App(
         private val json: MagiskJson = Info.remote.magisk,
-        val stub: StubJson = Info.remote.stub,
         override val notifyId: Int = Notifications.nextId()
     ) : Subject() {
         override val title: String get() = "Magisk-${json.version}(${json.versionCode})"
diff --git a/app/src/main/java/com/topjohnwu/magisk/core/model/UpdateInfo.kt b/app/src/main/java/com/topjohnwu/magisk/core/model/UpdateInfo.kt
index c4ece722b..60b3a11d4 100644
--- a/app/src/main/java/com/topjohnwu/magisk/core/model/UpdateInfo.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/core/model/UpdateInfo.kt
@@ -7,7 +7,6 @@ import kotlinx.parcelize.Parcelize
 @JsonClass(generateAdapter = true)
 data class UpdateInfo(
     val magisk: MagiskJson = MagiskJson(),
-    val stub: StubJson = StubJson()
 )
 
 @Parcelize
@@ -19,12 +18,6 @@ data class MagiskJson(
     val note: String = ""
 ) : Parcelable
 
-@Parcelize
-@JsonClass(generateAdapter = true)
-data class StubJson(
-    val versionCode: Int = -1
-) : Parcelable
-
 @JsonClass(generateAdapter = true)
 data class ModuleJson(
     val version: String,
diff --git a/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt b/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt
index e20bf5f0f..b107a9ffb 100644
--- a/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt
@@ -67,7 +67,6 @@ class HomeViewModel(
 
     val managerInstalledVersion
         get() = "${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})" +
-            Info.stub?.let { " (${it.version})" }.orEmpty() +
             if (BuildConfig.DEBUG) " (D)" else ""
 
     @get:Bindable
@@ -92,7 +91,7 @@ class HomeViewModel(
 
             val isDebug = Config.updateChannel == Config.Value.DEBUG_CHANNEL
             managerRemoteVersion =
-                ("${magisk.version} (${magisk.versionCode}) (${stub.versionCode})" +
+                ("${magisk.version} (${magisk.versionCode})" +
                     if (isDebug) " (D)" else "").asText()
         } ?: run {
             appState = State.INVALID
diff --git a/buildSrc/src/main/java/Setup.kt b/buildSrc/src/main/java/Setup.kt
index 69856dc3e..0c2a4a949 100644
--- a/buildSrc/src/main/java/Setup.kt
+++ b/buildSrc/src/main/java/Setup.kt
@@ -151,7 +151,9 @@ private fun Project.setupAppCommon() {
         val variantCapped = name.replaceFirstChar { it.uppercase() }
         tasks.getByPath(":$projectName:package$variantCapped").doLast {
             val apk = outputs.files.asFileTree.filter { it.name.endsWith(".apk") }.singleFile
-            val comment = "version=${Config.version}\nversionCode=${Config.versionCode}"
+            val comment = "version=${Config.version}\n" +
+                "versionCode=${Config.versionCode}\n" +
+                "stubVersion=${Config.stubVersion}}\n"
             addComment(apk, signingConfig, android.defaultConfig.minSdk!!, comment)
         }
     }