diff --git a/build/package.json b/build/package.json
index a685a901b88c2..7c79adba4598d 100644
--- a/build/package.json
+++ b/build/package.json
@@ -36,7 +36,7 @@
     "gulp-uglify": "^3.0.0",
     "iconv-lite": "0.4.23",
     "mime": "^1.3.4",
-    "minimist": "^1.2.0",
+    "minimist": "^1.2.6",
     "request": "^2.85.0",
     "terser": "4.3.8",
     "tslint": "^5.9.1",
diff --git a/build/yarn.lock b/build/yarn.lock
index 36f6c025d487c..9ea0d4a536907 100644
--- a/build/yarn.lock
+++ b/build/yarn.lock
@@ -1736,10 +1736,10 @@ minimatch@3.0.4, minimatch@^3.0.3, minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@^1.1.0, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
+minimist@^1.1.0, minimist@^1.2.0, minimist@^1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.6.tgz#8637a5b759ea0d6e98702cfb3a9283323c93af44"
+  integrity sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==
 
 minimist@~0.0.1:
   version "0.0.10"