diff --git a/build.gradle b/build.gradle
index 0cfc6aed..e881b55d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        KOTLIN_VERSION = "1.3.72"
+        KOTLIN_VERSION = "1.4.10"
         KETHEREUM_VERSION = "0.82.2"
     }
 
@@ -34,7 +34,7 @@ dependencies {
     implementation "com.github.komputing.kethereum:erc55:${KETHEREUM_VERSION}"
     implementation "com.github.komputing.kethereum:crypto_impl_bouncycastle:${KETHEREUM_VERSION}"
 
-    implementation 'com.beust:klaxon:5.2'
+    implementation 'com.beust:klaxon:5.4'
     implementation 'com.squareup.moshi:moshi-kotlin:1.9.3'
     implementation 'com.squareup.okhttp3:okhttp:4.7.2'