diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbdf322..9b4de6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project are documented here. Format follows
 [Keep a Changelog](https://keepachangelog.com/en/1.1.0/); versions follow
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.2.9] - 2026-09-30
+
+### Changed
+
+- Updated the check-in-progress copy for a fresh OTA upgrade test from 2.2.8.
+
 ## [2.2.8] - 2026-09-29
 
 ### Changed
diff --git a/FatihsMG4-unstable-2.2.9.apk.sha256 b/FatihsMG4-unstable-2.2.9.apk.sha256
new file mode 100644
index 0000000..347d1b6
--- /dev/null
+++ b/FatihsMG4-unstable-2.2.9.apk.sha256
@@ -0,0 +1 @@
+6ff63e9752441887253836272a147f063c094b2d4643977d1bcbfa164f907f69  FatihsMG4-unstable-2.2.9.apk
diff --git a/app/build.gradle b/app/build.gradle
index 8cdf97b..038db82 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -34,8 +34,8 @@ android {
         applicationId "com.evsuite.abrp"
         minSdk 27
         targetSdk 36
-        versionCode 25
-        versionName "2.2.8"
+        versionCode 26
+        versionName "2.2.9"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fbe0a1c..46835e0 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -112,7 +112,7 @@
     <string name="ota_install_success">Güncelleme kuruldu — uygulamayı yeniden başlatın</string>
     <string name="ota_install_failed">Kurulum başarısız: %1$s</string>
     <string name="update_check">Güncelleme kontrol et</string>
-    <string name="update_checking">Yeni sürüm kontrol ediliyor…</string>
+    <string name="update_checking">Yeni OTA sürümü kontrol ediliyor…</string>
     <string name="update_dialog_title">Yazılım güncellemesi</string>
     <string name="update_downloading">İndiriliyor ve doğrulanıyor…</string>
     <string name="update_downloading_percent">İndiriliyor… %1$d%%</string>