diff --git a/gradle.properties b/gradle.properties
index f55d6c4..94e90c5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,8 +6,8 @@ kotlin.incremental.js=true
 android.useAndroidX=true
 android.enableJetifier=true
 
-kotlin_version=1.5.20
-kotlin_serialisation_core_version=1.2.1
+kotlin_version=1.5.21
+kotlin_serialisation_core_version=1.2.2
 
 # github_release_plugin_version=2.2.12