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diff --git a/SS-CALENDAR/1.0.4/SS-CALENDAR-1.0.4-win-x64.zip b/SS-CALENDAR/1.0.4/SS-CALENDAR-1.0.4-win-x64.zip
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diff --git a/SS-CALENDAR/1.0.4/checksums.sha256 b/SS-CALENDAR/1.0.4/checksums.sha256
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--- /dev/null
+++ b/SS-CALENDAR/1.0.4/checksums.sha256
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diff --git a/SS-CALENDAR/1.0.4/release.json b/SS-CALENDAR/1.0.4/release.json
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+{
+    "product":  "SS-CALENDAR",
+    "displayName":  "SS Calendar",
+    "version":  "1.0.4",
+    "channel":  "stable",
+    "releasedAt":  "2026-10-01T08:26:02Z",
+    "notes":  "색 테마 7종(화이트·핑크·그린·블루·퍼플·네이비·다크) 추가. 달력 배경 이미지와 불투명도·크기·맞춤·위치 조절 추가. 기간 일정 시스템 알림 추가.",
+    "assets":  [
+                   {
+                       "platform":  "win-x64",
+                       "file":  "SS-CALENDAR-1.0.4-win-x64.zip",
+                       "size":  77498937,
+                       "sha256":  "8a836df7b74e281edcb93e733306365d6290a0cb5f846d50f0bc227d240f940f",
+                       "installer":  "SSCalendar-1.0.4-setup.exe",
+                       "silentArgs":  "/VERYSILENT /SUPPRESSMSGBOXES /NORESTART"
+                   },
+                   {
+                       "platform":  "osx-arm64",
+                       "file":  "SS-CALENDAR-1.0.4-osx-arm64.zip",
+                       "size":  45337796,
+                       "sha256":  "0c2f12d9ecfc09c8416bcd09225fc63ff88c6a5a6050965bbea35acbe924fcf9"
+                   },
+                   {
+                       "platform":  "osx-x64",
+                       "file":  "SS-CALENDAR-1.0.4-osx-x64.zip",
+                       "size":  47609625,
+                       "sha256":  "3928c53474b620b8ca0100fd9c1d9d66983c41a226040d39e7577d781a18480b"
+                   }
+               ]
+}
\ No newline at end of file