diff --git a/build.gradle b/build.gradle
index 6d9974354f02..34bb746473e0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -123,6 +123,10 @@ subprojects { project ->
   sourceCompatibility = JavaVersion.VERSION_1_8
   targetCompatibility = JavaVersion.VERSION_1_8
 
+  tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+  }
+
   checkstyleMain.exclude '**/CipherSuite.java'
   configurations {
     checkstyleConfig