diff --git a/build.gradle b/build.gradle
index cc37c302..e41236dc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -92,7 +92,7 @@ tasks.withType(JavaCompile) {
 
 
 task sourcesJar(type: Jar, dependsOn: classes) {
-	classifier = "sources"
+	archiveClassifier = "sources"
 	from sourceSets.main.allSource
 }