diff --git a/app/build.gradle b/app/build.gradle
index 730bfd1f34..786c2f2a28 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,7 +15,7 @@ import com.github.spotbugs.snom.SpotBugsTask
 plugins {
     id "org.jetbrains.kotlin.plugin.compose" version "2.1.0"
     id "org.jetbrains.kotlin.kapt"
-    id 'com.google.devtools.ksp' version '2.0.21-1.0.28'
+    id 'com.google.devtools.ksp' version '2.1.0-1.0.29'
 }
 
 apply plugin: 'com.android.application'
diff --git a/app/src/main/java/com/nextcloud/talk/account/WebViewLoginActivity.kt b/app/src/main/java/com/nextcloud/talk/account/WebViewLoginActivity.kt
index 94c3618e07..209d2e371c 100644
--- a/app/src/main/java/com/nextcloud/talk/account/WebViewLoginActivity.kt
+++ b/app/src/main/java/com/nextcloud/talk/account/WebViewLoginActivity.kt
@@ -97,8 +97,8 @@ class WebViewLoginActivity : BaseActivity() {
     }
     private val webLoginUserAgent: String
         get() = (
-            Build.MANUFACTURER.substring(0, 1).toUpperCase(Locale.getDefault()) +
-                Build.MANUFACTURER.substring(1).toLowerCase(Locale.getDefault()) +
+            Build.MANUFACTURER.substring(0, 1).uppercase(Locale.getDefault()) +
+                Build.MANUFACTURER.substring(1).uppercase(Locale.getDefault()) +
                 " " +
                 Build.MODEL +
                 " (" +
diff --git a/build.gradle b/build.gradle
index a8faeafc22..f8ea4a4b31 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@
 buildscript {
 
     ext {
-      kotlinVersion = '2.0.21'
+      kotlinVersion = '2.1.0'
         hilt_version = '2.44'
     }