diff --git a/yarn.lock b/yarn.lock
index 4902f42..e7a8827 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -478,11 +478,6 @@ asap@~2.0.3:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.6.tgz#e50347611d7e690943208bbdafebcbc2fb866d46"
 
-async-limiter@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
-  integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
-
 balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
@@ -536,7 +531,7 @@ concat-map@0.0.1:
 
 core-js@^1.0.0:
   version "1.2.7"
-  resolved "http://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
+  resolved "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
 
 create-react-context@<=0.2.2:
   version "0.2.2"
@@ -581,7 +576,7 @@ domelementtype@^1.3.1:
 
 domelementtype@~1.1.1:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
+  resolved "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
 
 domhandler@^2.3.0:
   version "2.4.2"
@@ -760,7 +755,7 @@ minimatch@^3.0.4:
 
 minimist@^1.2.0, minimist@~1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 moment@^2.24.0:
   version "2.24.0"
@@ -1040,11 +1035,9 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
 ws@^7.0.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.1.0.tgz#0395646c6fcc3ac56abf61ce1a42039637a6bd98"
-  integrity sha512-Swie2C4fs7CkwlHu1glMePLYJJsWjzhl1vm3ZaLplD0h7OMkZyZ6kLTB/OagiU923bZrPFXuDTeEqaEN4NWG4g==
-  dependencies:
-    async-limiter "^1.0.0"
+  version "7.5.10"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.10.tgz#58b5c20dc281633f6c19113f39b349bd8bd558d9"
+  integrity sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==
 
 xtend@^4.0.1:
   version "4.0.2"