diff --git a/app/build.gradle b/app/build.gradle
index 96d3ece..6755d1c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -39,8 +39,8 @@ android {
     defaultConfig {
         applicationId "kr.co.vividnext.sodalive"
         minSdk 23
-        targetSdk 34
-        versionCode 84
+        targetSdk 33
+        versionCode 85
         versionName "1.13.2"
     }
 
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/mypage/alarm/scheduler/AlarmScheduler.kt b/app/src/main/java/kr/co/vividnext/sodalive/mypage/alarm/scheduler/AlarmScheduler.kt
index 2c42a13..bd67da8 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/mypage/alarm/scheduler/AlarmScheduler.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/mypage/alarm/scheduler/AlarmScheduler.kt
@@ -23,7 +23,7 @@ class AlarmScheduler(private val context: Context) {
 
         val alarmIntent = Intent(context, AlarmReceiver::class.java).let { intent ->
             intent.putExtra(Constants.EXTRA_ALARM_ID, alarm.id)
-            PendingIntent.getBroadcast(context, alarm.id, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+            createPendingIntent(requestCode = alarm.id, intent)
         }
 
         val calendar = Calendar.getInstance()
@@ -48,12 +48,7 @@ class AlarmScheduler(private val context: Context) {
             val requestCode = alarm.id * 10 + getDayOfWeek(day)
             val alarmIntent = Intent(context, AlarmReceiver::class.java).let { intent ->
                 intent.putExtra(Constants.EXTRA_ALARM_ID, alarm.id)
-                PendingIntent.getBroadcast(
-                    context,
-                    requestCode,
-                    intent,
-                    PendingIntent.FLAG_UPDATE_CURRENT
-                )
+                createPendingIntent(requestCode, intent)
             }
 
             val calendar = getNextAlarmTime(day, alarm.time)
@@ -76,31 +71,32 @@ class AlarmScheduler(private val context: Context) {
         val alarmManager = context.getSystemService(Context.ALARM_SERVICE) as AlarmManager
 
         if (alarm.days.isEmpty()) {
-            val alarmIntent = Intent(context, AlarmReceiver::class.java).let { intent ->
-                PendingIntent.getBroadcast(
-                    context,
-                    alarm.id,
-                    intent,
-                    PendingIntent.FLAG_UPDATE_CURRENT
-                )
-            }
+            val alarmIntent = createPendingIntent(
+                requestCode = alarm.id,
+                intent = Intent(context, AlarmReceiver::class.java)
+            )
             alarmManager.cancel(alarmIntent)
         } else {
             alarm.days.forEach { day ->
                 val requestCode = alarm.id * 10 + getDayOfWeek(day)
-                val alarmIntent = Intent(context, AlarmReceiver::class.java).let { intent ->
-                    PendingIntent.getBroadcast(
-                        context,
-                        requestCode,
-                        intent,
-                        PendingIntent.FLAG_UPDATE_CURRENT
-                    )
-                }
+                val alarmIntent = createPendingIntent(
+                    requestCode,
+                    Intent(context, AlarmReceiver::class.java)
+                )
                 alarmManager.cancel(alarmIntent)
             }
         }
     }
 
+    private fun createPendingIntent(requestCode: Int, intent: Intent): PendingIntent {
+        val flags = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.S) {
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        } else {
+            PendingIntent.FLAG_UPDATE_CURRENT
+        }
+        return PendingIntent.getBroadcast(context, requestCode, intent, flags)
+    }
+
     private fun getNextAlarmTime(day: String, timeInMillis: Long): Calendar {
         val calendar = Calendar.getInstance()
         calendar.timeInMillis = timeInMillis