diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index f79993809..12b4f58ea 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -37,7 +37,7 @@ android {
     defaultConfig {
         applicationId = "com.wafflestudio.snutt2"
         minSdk = 24
-        targetSdk = 35
+        targetSdk = 36
     }
 
     compileOptions {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4ea9eb977..81e319069 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,19 +4,16 @@
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <application
         android:name=".SNUTTApplication"
         android:allowBackup="true"
+        android:enableOnBackInvokedCallback="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
-        android:theme="@style/Theme.Snutt.Splash"
-        android:usesCleartextTraffic="true">
+        android:theme="@style/Theme.Snutt.Splash">
 
         <meta-data
             android:name="com.facebook.sdk.ApplicationId"
diff --git a/app/src/main/java/com/wafflestudio/snutt2/provider/TimetableWidgetProvider.kt b/app/src/main/java/com/wafflestudio/snutt2/provider/TimetableWidgetProvider.kt
index fa27144d8..f6ff1ccc5 100644
--- a/app/src/main/java/com/wafflestudio/snutt2/provider/TimetableWidgetProvider.kt
+++ b/app/src/main/java/com/wafflestudio/snutt2/provider/TimetableWidgetProvider.kt
@@ -63,7 +63,12 @@ TimetableWidgetProvider : AppWidgetProvider() {
         val dm = context.resources.displayMetrics
         val options = appWidgetManager.getAppWidgetOptions(appWidgetId)
 
-        val sizes = options.getParcelableArrayList<SizeF>(AppWidgetManager.OPTION_APPWIDGET_SIZES)
+        val sizes = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            options.getParcelableArrayList(AppWidgetManager.OPTION_APPWIDGET_SIZES, SizeF::class.java)
+        } else {
+            @Suppress("DEPRECATION")
+            options.getParcelableArrayList<SizeF>(AppWidgetManager.OPTION_APPWIDGET_SIZES)
+        }
         val maxBitmapSize = context.displayWidth * context.displayHeight * 1.5
         var scale = 1.0