diff --git a/lib/build.gradle b/lib/build.gradle
index 6c18c0a..f6ad969 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -1,8 +1,8 @@
 group 'nl.nl2312'
-version '1.0'
+version '1.1'
 
 buildscript {
-    ext.kotlin_version = '1.2.71'
+    ext.kotlin_version = '1.4.0'
 
     repositories {
         mavenCentral()
@@ -20,7 +20,7 @@ repositories {
 
 dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    compile 'com.squareup.okio:okio:2.1.0'
+    compile 'com.squareup.okio:okio:2.7.0'
 
     testCompile 'junit:junit:4.12'
     testCompile 'com.google.truth:truth:0.42'
@@ -31,4 +31,4 @@ compileKotlin {
 }
 compileTestKotlin {
     kotlinOptions.jvmTarget = "1.6"
-}
\ No newline at end of file
+}