diff --git a/package.json b/package.json
index efc1b8b..a8d2b7c 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@babel/parser": "^7.5.5",
     "@babel/types": "^7.5.5",
     "chalk": "^2.0.1",
-    "commander": "^3.0.1",
+    "commander": "^4.1.1",
     "ejs": "^2.5.7",
     "mkdirp": "^0.5.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 2b68114..94c02a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1314,10 +1314,10 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^3.0.1:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
-  integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
+commander@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
+  integrity sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==
 
 commander@~2.20.3:
   version "2.20.3"