diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 80569bc..2135b1f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -16,12 +16,12 @@ androidCompileSdk = "35"
 androidBuildTools = "35.0.0"
 
 javaLangTarget = "1.8"
-kotlinLangVersion = "2.0"
+kotlinLangVersion = "2.1"
 
 # https://github.com/JetBrains/kotlin/releases
 # https://mvnrepository.com/artifact/org.jetbrains.kotlin/kotlin-gradle-plugin
 # WARN: Don't forget to update kotlin version badge in ../README.md
-kotlin = "2.0.21"
+kotlin = "2.1.0-Beta2"
 
 # https://github.com/Kotlin/kotlinx.coroutines/releases
 # https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core