diff --git a/SS-USAGE/1.2.11/SS-USAGE-1.2.11-win-x64.zip b/SS-USAGE/1.2.11/SS-USAGE-1.2.11-win-x64.zip
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index 0000000..6db5f5b
Binary files /dev/null and b/SS-USAGE/1.2.11/SS-USAGE-1.2.11-win-x64.zip differ
diff --git a/SS-USAGE/1.2.11/checksums.sha256 b/SS-USAGE/1.2.11/checksums.sha256
new file mode 100644
index 0000000..2b90795
--- /dev/null
+++ b/SS-USAGE/1.2.11/checksums.sha256
@@ -0,0 +1 @@
+9472e857c03e09dd8cd7643ca356f556f38a85f7ff58fb9587031a595a387b6f  SS-USAGE-1.2.11-win-x64.zip
diff --git a/SS-USAGE/1.2.11/release.json b/SS-USAGE/1.2.11/release.json
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+++ b/SS-USAGE/1.2.11/release.json
@@ -0,0 +1,18 @@
+{
+  "product": "SS-USAGE",
+  "displayName": "SS USAGE",
+  "version": "1.2.11",
+  "channel": "stable",
+  "releasedAt": "2026-09-30T03:40:24Z",
+  "notes": "Codex 계정 여러 개를 한 화면에 모아 보고 전환할 수 있습니다. 사용량 카드와 초기화 시간 표시를 간결하게 정리했고, 프로그램 정보 창에서 바로 업데이트를 확인하고 설치할 수 있습니다.",
+  "assets": [
+    {
+      "platform": "win-x64",
+      "file": "SS-USAGE-1.2.11-win-x64.zip",
+      "size": 1788088,
+      "sha256": "9472e857c03e09dd8cd7643ca356f556f38a85f7ff58fb9587031a595a387b6f",
+      "installer": "UsageMonitor-Setup-1.2.11.exe",
+      "silentArgs": "/VERYSILENT /SUPPRESSMSGBOXES /NORESTART /CLOSEAPPLICATIONS"
+    }
+  ]
+}
\ No newline at end of file