diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 66a499d..2e3645f 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -28,7 +28,11 @@ android {
         // ffmpeg-kit 은 Android 7.0 (API 24) 이상
         minSdk = maxOf(24, flutter.minSdkVersion)
         targetSdk = flutter.targetSdkVersion
-        versionCode = flutter.versionCode
+        // 버전 "년.월.일+순번" 의 순번은 날마다 1 부터 다시 시작하므로 그대로 쓰면 다음 날 판이 "더 낮은 버전" 으로
+        // 설치가 거부된다. 날짜를 앞에 붙여 늘 커지게 한다: 2026.10.2+1 → 261002001
+        versionCode = flutter.versionName.split(".").let { (y, m, d) ->
+            (y.toInt() % 100) * 10_000_000 + m.toInt() * 100_000 + d.toInt() * 1_000 + flutter.versionCode
+        }
         versionName = flutter.versionName
         // 요즘 휴대폰 · 태블릿 (64비트 ARM) 만. 플러그인이 다른 CPU 용 라이브러리를 넣어도 앱 본체가 없으면 실행되지 않으므로 뺀다
         ndk {
diff --git a/lib/core/app_update.dart b/lib/core/app_update.dart
index 88b3287..16db126 100644
--- a/lib/core/app_update.dart
+++ b/lib/core/app_update.dart
@@ -15,7 +15,8 @@ String formatVersion(String v) {
   final n = parseVersion(v);
   if (n.length < 3 || n[0] < 2000) return n.join('.');
   String two(int x) => x.toString().padLeft(2, '0');
-  final seq = n.length > 3 ? n[3] : 1;
+  // Android 는 빌드 번호 자리에 날짜를 붙인 versionCode (261002001) 가 온다 → 끝 세 자리가 순번
+  final seq = n.length > 3 ? n[3] % 1000 : 1;
   return '${n[0]}.${two(n[1])}.${two(n[2])}_${seq.toString().padLeft(3, '0')}';
 }
 
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/checksums.lock b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/checksums.lock
new file mode 100644
index 0000000..d19d281
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/checksums.lock differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/md5-checksums.bin b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/md5-checksums.bin
new file mode 100644
index 0000000..e5fcea9
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/md5-checksums.bin differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/sha1-checksums.bin b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/sha1-checksums.bin
new file mode 100644
index 0000000..f62a3e3
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/checksums/sha1-checksums.bin differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileChanges/last-build.bin b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileChanges/last-build.bin
new file mode 100644
index 0000000..f76dd23
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileChanges/last-build.bin differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileHashes/fileHashes.bin b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileHashes/fileHashes.bin
new file mode 100644
index 0000000..f6c721c
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileHashes/fileHashes.bin differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileHashes/fileHashes.lock b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileHashes/fileHashes.lock
new file mode 100644
index 0000000..42d3e3d
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/fileHashes/fileHashes.lock differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/9.2.0/gc.properties b/packages/flutter_inappwebview_android/android/.gradle/9.2.0/gc.properties
new file mode 100644
index 0000000..e69de29
diff --git a/packages/flutter_inappwebview_android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/packages/flutter_inappwebview_android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock
new file mode 100644
index 0000000..ff8b770
Binary files /dev/null and b/packages/flutter_inappwebview_android/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/packages/flutter_inappwebview_android/android/.gradle/buildOutputCleanup/cache.properties b/packages/flutter_inappwebview_android/android/.gradle/buildOutputCleanup/cache.properties
new file mode 100644
index 0000000..33506e9
--- /dev/null
+++ b/packages/flutter_inappwebview_android/android/.gradle/buildOutputCleanup/cache.properties
@@ -0,0 +1,2 @@
+#Fri Oct 02 20:32:59 KST 2026
+gradle.version=9.2.0
diff --git a/packages/flutter_inappwebview_android/android/.gradle/vcs-1/gc.properties b/packages/flutter_inappwebview_android/android/.gradle/vcs-1/gc.properties
new file mode 100644
index 0000000..e69de29
diff --git a/packages/whisper_ggml/android/.gradle/8.10.1/checksums/checksums.lock b/packages/whisper_ggml/android/.gradle/8.10.1/checksums/checksums.lock
new file mode 100644
index 0000000..82d262a
Binary files /dev/null and b/packages/whisper_ggml/android/.gradle/8.10.1/checksums/checksums.lock differ
diff --git a/packages/whisper_ggml/android/.gradle/8.10.1/fileChanges/last-build.bin b/packages/whisper_ggml/android/.gradle/8.10.1/fileChanges/last-build.bin
new file mode 100644
index 0000000..f76dd23
Binary files /dev/null and b/packages/whisper_ggml/android/.gradle/8.10.1/fileChanges/last-build.bin differ
diff --git a/packages/whisper_ggml/android/.gradle/8.10.1/fileHashes/fileHashes.bin b/packages/whisper_ggml/android/.gradle/8.10.1/fileHashes/fileHashes.bin
new file mode 100644
index 0000000..f6c721c
Binary files /dev/null and b/packages/whisper_ggml/android/.gradle/8.10.1/fileHashes/fileHashes.bin differ
diff --git a/packages/whisper_ggml/android/.gradle/8.10.1/fileHashes/fileHashes.lock b/packages/whisper_ggml/android/.gradle/8.10.1/fileHashes/fileHashes.lock
new file mode 100644
index 0000000..9279186
Binary files /dev/null and b/packages/whisper_ggml/android/.gradle/8.10.1/fileHashes/fileHashes.lock differ
diff --git a/packages/whisper_ggml/android/.gradle/8.10.1/gc.properties b/packages/whisper_ggml/android/.gradle/8.10.1/gc.properties
new file mode 100644
index 0000000..e69de29
diff --git a/packages/whisper_ggml/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/packages/whisper_ggml/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock
new file mode 100644
index 0000000..404e2b3
Binary files /dev/null and b/packages/whisper_ggml/android/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/packages/whisper_ggml/android/.gradle/buildOutputCleanup/cache.properties b/packages/whisper_ggml/android/.gradle/buildOutputCleanup/cache.properties
new file mode 100644
index 0000000..babbee0
--- /dev/null
+++ b/packages/whisper_ggml/android/.gradle/buildOutputCleanup/cache.properties
@@ -0,0 +1,2 @@
+#Fri Oct 02 20:24:51 KST 2026
+gradle.version=8.10.1
diff --git a/packages/whisper_ggml/android/.gradle/vcs-1/gc.properties b/packages/whisper_ggml/android/.gradle/vcs-1/gc.properties
new file mode 100644
index 0000000..e69de29
diff --git a/test/update_test.dart b/test/update_test.dart
index d1e6e6d..9767d06 100644
--- a/test/update_test.dart
+++ b/test/update_test.dart
@@ -39,6 +39,7 @@ void main() {
       expect(formatVersion('2026.9.30+1'), '2026.09.30_001'); // pubspec 의 표기 → 보이는 글
       expect(formatVersion('v2026.09.30_012'), '2026.09.30_012');
       expect(formatVersion('2026.10.1+3'), '2026.10.01_003');
+      expect(formatVersion('2026.10.2+261002001'), '2026.10.02_001'); // Android versionCode
       expect(formatVersion('v1.2.3'), '1.2.3'); // 예전 방식은 그대로
       // 같은 날: 순번이 크면 최신. 날이 바뀌면 001 이어도 최신.
       expect(compareVersions('2026.09.30_002', '2026.9.30+1'), greaterThan(0));