diff --git a/gradle.properties b/gradle.properties
index 9640d60..a53746f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 kotlin.code.style=official
-kotlin_version=1.4.30
+kotlin_version=1.5.31
 
 telegram_bot_api_version=0.32.5
 ktor_version=1.5.1