diff --git a/build.gradle b/build.gradle
index a2e163c57e..9859f88e72 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,6 +11,9 @@ repositories {
     mavenCentral()
 }
 
+compileJava.options.encoding = 'UTF-8'
+compileTestJava.options.encoding = 'UTF-8'
+
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.12'
     testCompile group: 'org.mockito', name: 'mockito-core', version: '2.23.0'