diff --git a/build.gradle b/build.gradle
index 8af9dd9..772db42 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,3 +28,7 @@ javadoc {
         links 'https://docs.oracle.com/en/java/javase/12/docs/api/'
     }
 }
+
+tasks.withType(JavaCompile) {
+    options.encoding 'utf-8'
+}