diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt
index 5413fee..64af747 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/explorer/ExplorerService.kt
@@ -68,10 +68,11 @@ class ExplorerService(
             .toList()
 
         val currentDateTime = LocalDateTime.now()
-        val lastSunday = currentDateTime
+        val lastMonday = currentDateTime
             .minusWeeks(1)
             .with(TemporalAdjusters.previousOrSame(DayOfWeek.SUNDAY))
-        val lastMonday = lastSunday.minusDays(6)
+        val lastSunday = lastMonday
+            .plusDays(6)
 
         val formatter = DateTimeFormatter.ofPattern("MM월 dd일")
         val formattedLastMonday = lastMonday.format(formatter)