diff --git a/package.json b/package.json
index bde8c05..eb68078 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": "^6.2.3",
     "yargs": "^12.0.5"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 6115b01..adea804 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:
@@ -2847,10 +2847,10 @@ ws@3.3.2:
     safe-buffer "~5.1.0"
     ultron "~1.1.0"
 
-ws@^6.1.0, ws@^6.1.2:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.2.tgz#3cc7462e98792f0ac679424148903ded3b9c3ad8"
-  integrity sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==
+ws@^6.1.0, ws@^6.2.3:
+  version "6.2.3"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.3.tgz#ccc96e4add5fd6fedbc491903075c85c5a11d9ee"
+  integrity sha512-jmTjYU0j60B+vHey6TfR3Z7RD61z/hmxBS3VMSGIrroOWXQEneK1zNuotOUrGyBHQj0yrpsLHPWtigEFd13ndA==
   dependencies:
     async-limiter "~1.0.0"