diff --git a/test/resources/unicode.puml b/test/resources/unicode.puml
new file mode 100644
index 0000000..3fac1a4
--- /dev/null
+++ b/test/resources/unicode.puml
@@ -0,0 +1,5 @@
+@startuml
+
+lang -> 日本語
+
+@enduml