diff --git a/build.gradle b/build.gradle
index ef26530298..800c4a713b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,8 +2,8 @@
 
 buildscript {
     // Ref: https://kotlinlang.org/releases.html
-    ext.kotlin_version = '1.5.21'
-    ext.kotlin_coroutines_version = "1.5.0"
+    ext.kotlin_version = '1.5.30'
+    ext.kotlin_coroutines_version = "1.5.1"
     repositories {
         google()
         jcenter()
diff --git a/vector/src/main/java/im/vector/app/features/settings/locale/LocalePickerController.kt b/vector/src/main/java/im/vector/app/features/settings/locale/LocalePickerController.kt
index 0d178bddea..4e1c62a4ec 100644
--- a/vector/src/main/java/im/vector/app/features/settings/locale/LocalePickerController.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/locale/LocalePickerController.kt
@@ -37,7 +37,6 @@ class LocalePickerController @Inject constructor(
 
     var listener: Listener? = null
 
-    @ExperimentalStdlibApi
     override fun buildModels(data: LocalePickerViewState?) {
         val list = data?.locales ?: return
         val host = this