diff --git a/package.json b/package.json
index bde8c05..9ee1f56 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "request-promise-native": "^1.0.5",
     "resize-img": "^1.1.2",
     "sharp": "^0.21.1",
-    "ws": "^6.1.2",
+    "ws": "^7.4.6",
     "yargs": "^12.0.5"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 6115b01..8bf57aa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -705,7 +705,7 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
 
 es6-promise@^3.0.2:
   version "3.3.1"
-  resolved "http://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
+  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
   integrity sha1-oIzd6EzNvzTQJ6FFG8kdS80ophM=
 
 es6-promise@^4.0.3:
@@ -2847,13 +2847,18 @@ ws@3.3.2:
     safe-buffer "~5.1.0"
     ultron "~1.1.0"
 
-ws@^6.1.0, ws@^6.1.2:
+ws@^6.1.0:
   version "6.1.2"
   resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.2.tgz#3cc7462e98792f0ac679424148903ded3b9c3ad8"
   integrity sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==
   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"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"