diff --git a/package.json b/package.json
index fce8cf8..faab42c 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "express": "^4.16.3",
-    "ws": "^5.2.0"
+    "ws": "^7.4.6"
   },
   "devDependencies": {
     "@colony/eslint-config-colony": "^4.0.0",
diff --git a/yarn.lock b/yarn.lock
index dc97507..7ab4e40 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -182,10 +182,6 @@ assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
 
-async-limiter@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
-
 atob@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.1.tgz#ae2d5a729477f289d60dd7f96a6314a22dd6c22a"
@@ -2028,11 +2024,9 @@ write@^0.2.1:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.0.tgz#9fd95e3ac7c76f6ae8bcc868a0e3f11f1290c33e"
-  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"
 
 yallist@^2.1.2:
   version "2.1.2"