diff --git a/standalone-packages/sse-loading-screen/yarn.lock b/standalone-packages/sse-loading-screen/yarn.lock
old mode 100755
new mode 100644
index 87de5f5e0..8c5231e92
--- a/standalone-packages/sse-loading-screen/yarn.lock
+++ b/standalone-packages/sse-loading-screen/yarn.lock
@@ -660,7 +660,7 @@ babel-plugin-syntax-exponentiation-operator@^6.8.0:
 
 babel-plugin-syntax-flow@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
   integrity sha1-TDqyCiryaqIM0lmVw5jE63AxDI0=
 
 babel-plugin-syntax-jsx@^6.18.0, babel-plugin-syntax-jsx@^6.8.0:
@@ -1799,9 +1799,9 @@ css-url-regex@^1.1.0:
   integrity sha1-g4NCMMyfdMRX3lnuvRVD/uuDt+w=
 
 css-what@2.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
-  integrity sha1-lGfQMsOM+u+58teVASUwYvh/ob0=
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
+  integrity sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==
 
 cssnano-preset-default@^4.0.0:
   version "4.0.0"