diff --git a/README.md b/README.md
index 16405c9..73eb296 100644
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-# depromeet-makers-be
\ No newline at end of file
+# depromeet-makers-be
diff --git a/src/main/kotlin/com/depromeet/makers/domain/usecase/GetMemberAttendances.kt b/src/main/kotlin/com/depromeet/makers/domain/usecase/GetMemberAttendances.kt
index bef4182..2978f7b 100644
--- a/src/main/kotlin/com/depromeet/makers/domain/usecase/GetMemberAttendances.kt
+++ b/src/main/kotlin/com/depromeet/makers/domain/usecase/GetMemberAttendances.kt
@@ -36,13 +36,21 @@ class GetMemberAttendances(
             )
         }
 
-        val attendances = (1..16).map {
-            attendanceGateway.save(
-                Attendance.newAttendance(
-                    member = member,
+        val attendances = (1..16).map { week ->
+            runCatching {
+                attendanceGateway.findByMemberIdAndGenerationAndWeek(
+                    memberId = member.memberId,
                     generation = input.generation,
-                    week = it,
-                    sessionType = sessions[it - 1].sessionType,
+                    week = week
+                )
+            }.getOrDefault(
+                attendanceGateway.save(
+                    Attendance.newAttendance(
+                        member = member,
+                        generation = input.generation,
+                        week = week,
+                        sessionType = sessions[week - 1].sessionType,
+                    )
                 )
             )
         }