diff --git a/yarn.lock b/yarn.lock
index bd63fc2..63a7da0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -625,7 +625,7 @@ babel-plugin-syntax-async-functions@^6.8.0:
 
 babel-plugin-syntax-async-generators@^6.5.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-async-generators/-/babel-plugin-syntax-async-generators-6.13.0.tgz#6bc963ebb16eccbae6b92b596eb7f35c342a8b9a"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-async-generators/-/babel-plugin-syntax-async-generators-6.13.0.tgz#6bc963ebb16eccbae6b92b596eb7f35c342a8b9a"
 
 babel-plugin-syntax-class-properties@^6.8.0:
   version "6.13.0"
@@ -633,11 +633,11 @@ babel-plugin-syntax-class-properties@^6.8.0:
 
 babel-plugin-syntax-decorators@^6.13.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-decorators/-/babel-plugin-syntax-decorators-6.13.0.tgz#312563b4dbde3cc806cee3e416cceeaddd11ac0b"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-decorators/-/babel-plugin-syntax-decorators-6.13.0.tgz#312563b4dbde3cc806cee3e416cceeaddd11ac0b"
 
 babel-plugin-syntax-dynamic-import@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
 
 babel-plugin-syntax-exponentiation-operator@^6.8.0:
   version "6.13.0"
@@ -1680,8 +1680,9 @@ css-select@~1.2.0:
     nth-check "~1.0.1"
 
 css-what@2.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
+  integrity sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==
 
 cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   version "0.3.2"