diff --git a/argparser.js b/opter.js
similarity index 100%
rename from argparser.js
rename to opter.js
diff --git a/test.js b/test.js
index 0aa7e38..f6f0e38 100644
--- a/test.js
+++ b/test.js
@@ -1,4 +1,4 @@
-const Opter = require('./argparser.js');
+const Opter = require('./opter.js');
 
 // const args = argparser.parse(process.argv);
 // console.log('args', args);