diff --git a/package.json b/package.json
index dfdd24cc..5c135ea3 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,9 @@
     "htmllint": "^0.7.2",
     "socket.io": "^4.4.1"
   },
+  "resolutions": {
+    "portscanner": "2.2.0"
+  },
   "scripts": {
     "start": "browser-sync docs -w",
     "lint": "npm run lint:js && npm run lint:html",
diff --git a/yarn.lock b/yarn.lock
index be0426f3..cd689385 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -150,10 +150,12 @@ async-each-series@0.1.1:
   resolved "https://registry.yarnpkg.com/async-each-series/-/async-each-series-0.1.1.tgz#7617c1917401fd8ca4a28aadce3dbae98afeb432"
   integrity sha1-dhfBkXQB/Yykooqtzj266Yr+tDI=
 
-async@1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
-  integrity sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=
+async@^2.6.0:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
+  dependencies:
+    lodash "^4.17.14"
 
 axios@0.21.4:
   version "0.21.4"
@@ -1279,12 +1281,12 @@ picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.3.1:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
-portscanner@2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/portscanner/-/portscanner-2.1.1.tgz#eabb409e4de24950f5a2a516d35ae769343fbb96"
-  integrity sha1-6rtAnk3iSVD1oqUW01rnaTQ/u5Y=
+portscanner@2.1.1, portscanner@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/portscanner/-/portscanner-2.2.0.tgz#6059189b3efa0965c9d96a56b958eb9508411cf1"
+  integrity sha512-IFroCz/59Lqa2uBvzK3bKDbDDIEaAY8XJ1jFxcLWTqosrsc32//P4VuSB2vZXoHiHqOmx8B5L5hnKOxL/7FlPw==
   dependencies:
-    async "1.5.2"
+    async "^2.6.0"
     is-number-like "^1.0.3"
 
 prelude-ls@~1.1.2: