diff --git a/java/proto_test.go b/java/proto_test.go
index d1cb714..5b184b6 100644
--- a/java/proto_test.go
+++ b/java/proto_test.go
@@ -28,6 +28,7 @@
 `
 
 func TestProtoStream(t *testing.T) {
+	t.Parallel()
 	bp := `
 		java_library {
 			name: "java-stream-protos",