diff --git a/package.json b/package.json
index ecf902f..e929edf 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "homepage": "https://github.com/Augmint/abiniser#readme",
     "private": false,
     "dependencies": {
-        "commander": "2.20.0",
+        "commander": "6.2.1",
         "json-stable-stringify": "1.0.1",
         "md5": "2.2.1"
     }
diff --git a/yarn.lock b/yarn.lock
index 3349205..d2e3072 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7,10 +7,10 @@ charenc@~0.0.1:
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
   integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
 
-commander@2.20.0:
-  version "2.20.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
-  integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
+commander@6.2.1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-6.2.1.tgz#0792eb682dfbc325999bb2b84fddddba110ac73c"
+  integrity sha512-U7VdrJFnJgo4xjrHpTzu0yrHPGImdsmD95ZlgYSEajAn2JKzDhDTPG9kBTefmObL2w/ngeZnilk+OV9CG3d7UA==
 
 crypt@~0.0.1:
   version "0.0.2"