diff --git a/app/build.gradle b/app/build.gradle
index c33fa8f0..5abb70b5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,9 +10,6 @@ Properties properties = new Properties()
 properties.load(project.rootProject.file('local.properties').newDataInputStream())
 
 android {
-    compileSdkVersion 33
-    buildToolsVersion "30.0.3"
-
     compileOptions {
         coreLibraryDesugaringEnabled true
 
@@ -27,9 +24,10 @@ android {
     defaultConfig {
         applicationId "com.hyeeyoung.wishboard"
         minSdkVersion 24
-        targetSdkVersion 33
-        versionCode 36
-        versionName "1.2.4"
+        targetSdkVersion 34
+        versionCode 39
+        versionName "1.2.6"
+        compileSdk 34
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 533cfd5e..99215701 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,6 +12,9 @@
     <uses-feature
         android:name="android.hardware.camera2"
         android:required="false" />
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
 
     <application
         android:name=".WishBoardApp"
diff --git a/app/src/main/java/com/hyeeyoung/wishboard/data/interceptor/AuthInterceptor.kt b/app/src/main/java/com/hyeeyoung/wishboard/data/interceptor/AuthInterceptor.kt
index fa3eb1e2..05b16d29 100644
--- a/app/src/main/java/com/hyeeyoung/wishboard/data/interceptor/AuthInterceptor.kt
+++ b/app/src/main/java/com/hyeeyoung/wishboard/data/interceptor/AuthInterceptor.kt
@@ -77,10 +77,13 @@ class AuthInterceptor @Inject constructor(
 
     private fun Request.newAuthBuilder() =
         this.newBuilder()
-            .addHeader(AUTHORIZATION, "$TOKEN_PREF${localStorage.accessToken}")
+            .addHeader(HEADER_KEY_AUTHORIZATION, "$TOKEN_PREF${localStorage.accessToken}")
+            .addHeader(HEADER_KEY_USER_AGENT, "$HEADER_VALUE_USER_AGENT_PREF${if (BuildConfig.DEBUG) "dev" else "prod"}")
 
     companion object {
-        private const val AUTHORIZATION = "Authorization"
+        private const val HEADER_KEY_AUTHORIZATION = "Authorization"
+        private const val HEADER_KEY_USER_AGENT = "User-Agent"
+        private const val HEADER_VALUE_USER_AGENT_PREF = "wishboard-android/"
         private const val TOKEN_PREF = "Bearer "
         private const val REFRESH_TOKEN = "refreshToken"
     }
diff --git a/app/src/main/java/com/hyeeyoung/wishboard/di/NetworkModule.kt b/app/src/main/java/com/hyeeyoung/wishboard/di/NetworkModule.kt
index 39fd9547..5c08e205 100644
--- a/app/src/main/java/com/hyeeyoung/wishboard/di/NetworkModule.kt
+++ b/app/src/main/java/com/hyeeyoung/wishboard/di/NetworkModule.kt
@@ -34,9 +34,9 @@ object NetworkModule {
         interceptor: AuthInterceptor,
     ): OkHttpClient =
         OkHttpClient.Builder().apply {
-            connectTimeout(10, TimeUnit.SECONDS)
-            writeTimeout(10, TimeUnit.SECONDS)
-            readTimeout(10, TimeUnit.SECONDS)
+            connectTimeout(30, TimeUnit.SECONDS)
+            writeTimeout(30, TimeUnit.SECONDS)
+            readTimeout(30, TimeUnit.SECONDS)
             addInterceptor(interceptor)
             if (DEBUG) addInterceptor(
                 HttpLoggingInterceptor().apply {
diff --git a/app/src/main/java/com/hyeeyoung/wishboard/presentation/calendar/temp/DateItemView.kt b/app/src/main/java/com/hyeeyoung/wishboard/presentation/calendar/temp/DateItemView.kt
index 6f59af34..ce0ab568 100644
--- a/app/src/main/java/com/hyeeyoung/wishboard/presentation/calendar/temp/DateItemView.kt
+++ b/app/src/main/java/com/hyeeyoung/wishboard/presentation/calendar/temp/DateItemView.kt
@@ -57,9 +57,8 @@ class DayItemView @JvmOverloads constructor(
         }
     }
 
-    override fun onDraw(canvas: Canvas?) {
+    override fun onDraw(canvas: Canvas) {
         super.onDraw(canvas)
-        if (canvas == null) return
 
         val date = date.dayOfMonth.toString()
         paint.getTextBounds(date, 0, date.length, bounds)