diff --git a/package.json b/package.json
index ae0d9da..4346073 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "nps-utils": "^1.7.0",
     "prettier": "^1.18.2",
     "serve-handler": "^6.1.1",
-    "ws": "^7.1.2"
+    "ws": "^7.4.6"
   },
   "resolutions": {
     "yargs": "^14.0.0"
diff --git a/yarn.lock b/yarn.lock
index 9aec8ac..2cbea4f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -180,11 +180,6 @@ async-each@^1.0.1:
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
   integrity sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
 
-async-limiter@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
-  integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
-
 atob@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
@@ -3356,12 +3351,10 @@ write@1.0.3:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@^7.1.2:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.1.2.tgz#c672d1629de8bb27a9699eb599be47aeeedd8f73"
-  integrity sha512-gftXq3XI81cJCgkUiAVixA0raD9IVmXqsylCrjRygw4+UOOGzPoxnQ6r/CnVL9i+mDncJo94tSkyrtuuQVBmrg==
-  dependencies:
-    async-limiter "^1.0.0"
+ws@^7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
 xdg-basedir@^3.0.0:
   version "3.0.0"