diff --git a/build.gradle b/build.gradle
index 29e65bb..bcac8c3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,6 +6,15 @@ plugins {
 group 'ru.nanit'
 version '1.3.4'
 
+compileJava {
+    options.encoding = "UTF-8"
+}
+
+tasks.withType(JavaCompile) {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
+
 repositories {
     mavenCentral()
 }