diff --git a/a11y-checker/package.json b/a11y-checker/package.json
index dc52378..63c2866 100644
--- a/a11y-checker/package.json
+++ b/a11y-checker/package.json
@@ -7,7 +7,7 @@
     "@babel/runtime": "^7.4.2",
     "axe-puppeteer": "1.0.0",
     "esm": "^3.2.22",
-    "minimist": "^1.2.0",
+    "minimist": "^1.2.3",
     "puppeteer": "^1.14.0"
   },
   "devDependencies": {
diff --git a/a11y-checker/yarn.lock b/a11y-checker/yarn.lock
index 5e87bce..0dcde3f 100644
--- a/a11y-checker/yarn.lock
+++ b/a11y-checker/yarn.lock
@@ -3117,10 +3117,10 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@^1.1.1, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
+minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.3.tgz#3db5c0765545ab8637be71f333a104a965a9ca3f"
+  integrity sha512-+bMdgqjMN/Z77a6NlY/I3U5LlRDbnmaAk6lDveAPKwSpcPM4tKAuYsvYF8xjhOPXhOYGe/73vVLVez5PW+jqhw==
 
 minimist@~0.0.1:
   version "0.0.10"