diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20470c9b1d0..a843c2cea7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # Table of Contents
 
+* [Changelog for unreleased](#changelog-for-owncloud-android-client-unreleased-unreleased)
 * [Changelog for 4.5.1](#changelog-for-owncloud-android-client-451-2025-04-03)
 * [Changelog for 4.5.0](#changelog-for-owncloud-android-client-450-2025-03-24)
 * [Changelog for 4.4.1](#changelog-for-owncloud-android-client-441-2024-10-30)
@@ -26,6 +27,27 @@
 * [Changelog for 2.18.1](#changelog-for-owncloud-android-client-2181-2021-07-20)
 * [Changelog for 2.18.0](#changelog-for-owncloud-android-client-2180-2021-05-24)
 * [Changelog for 2.17 versions and below](#changelog-for-217-versions-and-below)
+# Changelog for ownCloud Android Client [unreleased] (UNRELEASED)
+
+The following sections list the changes in ownCloud Android Client unreleased relevant to
+ownCloud admins and users.
+
+[unreleased]: https://github.com/owncloud/android/compare/v4.5.1...master
+
+## Summary
+
+* Change - Bump target SDK to 35: [#4529](https://github.com/owncloud/android/issues/4529)
+
+## Details
+
+* Change - Bump target SDK to 35: [#4529](https://github.com/owncloud/android/issues/4529)
+
+   Target SDK has been upgraded to 35 in order to fulfill Android platform
+   requirements.
+
+   https://github.com/owncloud/android/issues/4529
+   https://github.com/owncloud/android/pull/4556
+
 # Changelog for ownCloud Android Client [4.5.1] (2025-04-03)
 
 The following sections list the changes in ownCloud Android Client 4.5.1 relevant to
diff --git a/build.gradle b/build.gradle
index 86ee228dcee..fa93f27fa79 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,9 @@
 buildscript {
     ext {
         // SDK
-        sdkCompileVersion = 34
+        sdkCompileVersion = 35
         sdkMinVersion = 24
-        sdkTargetVersion = 34
+        sdkTargetVersion = 35
     }
 
     repositories {
diff --git a/changelog/unreleased/4556 b/changelog/unreleased/4556
new file mode 100644
index 00000000000..263122ea737
--- /dev/null
+++ b/changelog/unreleased/4556
@@ -0,0 +1,6 @@
+Change: Bump target SDK to 35
+
+Target SDK has been upgraded to 35 in order to fulfill Android platform requirements.
+
+https://github.com/owncloud/android/issues/4529
+https://github.com/owncloud/android/pull/4556
diff --git a/owncloudApp/src/main/java/com/owncloud/android/MainApp.kt b/owncloudApp/src/main/java/com/owncloud/android/MainApp.kt
index 3af6a25362e..de5c897e136 100644
--- a/owncloudApp/src/main/java/com/owncloud/android/MainApp.kt
+++ b/owncloudApp/src/main/java/com/owncloud/android/MainApp.kt
@@ -364,7 +364,7 @@ class MainApp : Application() {
             get() {
                 val appString = appContext.resources.getString(R.string.user_agent)
                 val packageName = appContext.packageName
-                var version = ""
+                var version: String? = ""
 
                 val pInfo: PackageInfo?
                 try {