diff --git a/build.gradle b/build.gradle
index df2c2550..fdba50f3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        KOTLIN_VERSION = "1.3.50"
+        KOTLIN_VERSION = "1.3.70"
         KETHEREUM_VERSION = "0.77.1"
     }