diff --git a/package.json b/package.json
index 643e8fb5..7ac7f0b4 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "@types/jszip": "3.1.4",
     "@types/node": "10.9.4",
     "@types/progress": "2.0.1",
-    "commander": "2.17.1",
+    "commander": "2.18.0",
     "jszip": "3.1.5",
     "logdown": "3.2.7",
     "progress": "2.0.0"
diff --git a/yarn.lock b/yarn.lock
index 184a2856..ded459b0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -53,9 +53,9 @@ color-name@1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
-commander@2.17.1:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
+commander@2.18.0:
+  version "2.18.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.18.0.tgz#2bf063ddee7c7891176981a2cc798e5754bc6970"
 
 concat-map@0.0.1:
   version "0.0.1"