diff --git a/build.gradle b/build.gradle
index 6e61c43..02b0d77 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,8 +12,8 @@ buildscript {
 }
 
 tasks.withType(JavaCompile) {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
 }
 
 apply plugin: 'kotlin'
@@ -65,7 +65,7 @@ kotlin.experimental.coroutines = 'enable'
 
 tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
 }