diff --git a/app/build.gradle b/app/build.gradle
index ed9357e..3d959ec 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,12 +38,12 @@ dependencies {
     implementation 'com.esotericsoftware:kryo:4.0.2'
     implementation "com.android.support:design:$android_support_version"
     implementation 'com.sothree.slidinguppanel:library:3.3.1'
-    implementation 'com.squareup.okhttp3:okhttp:3.14.0'
+    implementation 'com.squareup.okhttp3:okhttp:4.1.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 buildscript {
-    ext.kotlin_version = '1.3.21'
+    ext.kotlin_version = '1.3.50'
     ext.android_support_version = '27.1.1'
     repositories {
         mavenCentral()