diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e852993..8eb9914 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -20,8 +20,8 @@ android {
  applicationId = "com.example.shiftalarm"
  minSdk = 26
  targetSdk = 35
- versionCode = 1147
- versionName = "1.4.7"
+ versionCode = 1148
+ versionName = "1.4.8"
 
  testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
  }
diff --git a/app/src/main/java/com/example/shiftalarm/MainActivity.kt b/app/src/main/java/com/example/shiftalarm/MainActivity.kt
index 7f2b55e..aa4471a 100644
--- a/app/src/main/java/com/example/shiftalarm/MainActivity.kt
+++ b/app/src/main/java/com/example/shiftalarm/MainActivity.kt
@@ -80,8 +80,7 @@ class MainActivity : AppCompatActivity() {
         }
 
         binding.prevMonth.setOnClickListener {
-            currentViewMonth = currentViewMonth.minusMonths(1)
-            updateCalendar()
+            animateMonthTransition(-1)
         }
 
         binding.monthTitle.setOnClickListener {
@@ -89,8 +88,7 @@ class MainActivity : AppCompatActivity() {
         }
 
         binding.nextMonth.setOnClickListener {
-            currentViewMonth = currentViewMonth.plusMonths(1)
-            updateCalendar()
+            animateMonthTransition(1)
         }
         
         binding.btnToday.setOnClickListener {
@@ -707,11 +705,40 @@ class MainActivity : AppCompatActivity() {
             Toast.makeText(this, "⚠️ 루팅된 기기에서 시각적 오류나 알람 불안정이 발생할 수 있습니다.", Toast.LENGTH_LONG).show()
         }
     }
-    /**
-     * 남은 연차 표시 형식 개선
-     * - 정수면 정수로 표시 (예: 22)
-     * - 소숫점 있으면 소숫점 표시 (예: 21.5)
-     */
+    private fun animateMonthTransition(direction: Int) {
+        val slideOut = if (direction > 0) {
+            android.view.animation.TranslateAnimation(0f, -binding.calendarCard.width.toFloat(), 0f, 0f)
+        } else {
+            android.view.animation.TranslateAnimation(0f, binding.calendarCard.width.toFloat(), 0f, 0f)
+        }
+        slideOut.duration = 150
+        slideOut.fillAfter = false
+
+        val slideIn = if (direction > 0) {
+            android.view.animation.TranslateAnimation(binding.calendarCard.width.toFloat(), 0f, 0f, 0f)
+        } else {
+            android.view.animation.TranslateAnimation(-binding.calendarCard.width.toFloat(), 0f, 0f, 0f)
+        }
+        slideIn.duration = 150
+        slideIn.fillAfter = true
+
+        binding.calendarCard.startAnimation(slideOut)
+        
+        slideOut.setAnimationListener(object : android.view.animation.Animation.AnimationListener {
+            override fun onAnimationStart(animation: android.view.animation.Animation?) {}
+            override fun onAnimationRepeat(animation: android.view.animation.Animation?) {}
+            override fun onAnimationEnd(animation: android.view.animation.Animation?) {
+                currentViewMonth = if (direction > 0) {
+                    currentViewMonth.plusMonths(1)
+                } else {
+                    currentViewMonth.minusMonths(1)
+                }
+                updateCalendar()
+                binding.calendarCard.startAnimation(slideIn)
+            }
+        })
+    }
+
     private fun formatRemainingDays(days: Float): String {
         return if (days == days.toInt().toFloat()) {
             // 정수인 경우
diff --git a/version.json b/version.json
index 49b9a20..0cfc6ac 100644
--- a/version.json
+++ b/version.json
@@ -1,7 +1,7 @@
 {
-  "versionCode": 1147,
-  "versionName": "1.4.7",
-  "apkUrl": "https://git.webpluss.net/attachments/eb7f2a8d-3243-4c23-a833-f9864a4686a3",
-  "changelog": "v1.4.7: 버전업 오류 수정, 휴가관리→근무관리 명칭 변경, 기능추가중 표시",
+  "versionCode": 1148,
+  "versionName": "1.4.8",
+  "apkUrl": "https://git.webpluss.net/attachments/731ca456-b7f3-4634-8b8d-05dbf21e3895",
+  "changelog": "v1.4.8: 달력 월 이동 시 부드러운 화면 전환 애니메이션 추가",
   "forceUpdate": false
 }