diff --git a/build.gradle b/build.gradle
index 5f079b0..ad2037e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -50,9 +50,9 @@ sourceSets {
 }
 
 compileJava.options.encoding = 'UTF-8'
-compileJava.options << '-Xlint:all'
+compileJava.options.compilerArgs << '-Xlint:all'
 compileTestJava.options.encoding = 'UTF-8'
-compileTestJava.options.options << '-Xlint:all'
+compileTestJava.options.compilerArgs << '-Xlint:all'
 javadoc.options.encoding = 'UTF-8'
 
 jar {