diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index dc332b95418..993f612cc3b 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -78,6 +78,9 @@ configurations {
 compileMinimumRuntimeJava {
   targetCompatibility = 8
   sourceCompatibility = 8
+  tasks.withType(JavaCompile).configureEach {
+    options.encoding = 'UTF-8'
+  }
 }
 
 jar {