diff --git a/yarn.lock b/yarn.lock
index 0a8e57f..aea97af 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7,19 +7,6 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.44.tgz#b00cf3595c6a3d75740af9768739a8125053a5a9"
   integrity sha512-HY3SK7egERHGUfY8p6ztXIEQWcIPHouYhCGcLAPQin7gE2G/fALFz+epnMwcxKUS6aKqTVoAFdi+t1llQd3xcw==
 
-"@types/prop-types@*":
-  version "15.7.1"
-  resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.1.tgz#f1a11e7babb0c3cad68100be381d1e064c68f1f6"
-  integrity sha512-CFzn9idOEpHrgdw8JsoTkaDDyRWk1jrzIV8djzcgpq0y9tG4B4lFT+Nxh52DVpDXV+n4+NPNv7M1Dj5uMp6XFg==
-
-"@types/react@^16.8.20":
-  version "16.8.20"
-  resolved "https://registry.yarnpkg.com/@types/react/-/react-16.8.20.tgz#4f633ecbd0a4d56d0ccc50fff6f9321bbcd7d583"
-  integrity sha512-ZLmI+ubSJpfUIlQuULDDrdyuFQORBuGOvNnMue8HeA0GVrAJbWtZQhcBvnBPNRBI/GrfSfrKPFhthzC2SLEtLQ==
-  dependencies:
-    "@types/prop-types" "*"
-    csstype "^2.2.0"
-
 JSONStream@^1.0.3:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.5.tgz#3208c1f08d3a4d99261ab64f92302bc15e111ca0"
@@ -2552,11 +2539,6 @@ csso@~2.3.1:
     clap "^1.0.9"
     source-map "^0.5.3"
 
-csstype@^2.2.0:
-  version "2.6.5"
-  resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.5.tgz#1cd1dff742ebf4d7c991470ae71e12bb6751e034"
-  integrity sha512-JsTaiksRsel5n7XwqPAfB0l3TFKdpjW/kgAELf9vrb5adGA7UCPLajKK5s3nFrcFm3Rkyp/Qkgl73ENc1UY3cA==
-
 currently-unhandled@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
@@ -7175,9 +7157,9 @@ qs@6.5.2, qs@~6.5.2:
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
 qs@~6.2.0:
-  version "6.2.3"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.3.tgz#1cfcb25c10a9b2b483053ff39f5dfc9233908cfe"
-  integrity sha1-HPyyXBCpsrSDBT/zn138kjOQjP4=
+  version "6.2.4"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.4.tgz#d90821bb8537cecc140e6c34f54ec76e54b39b22"
+  integrity sha512-E57gmgKXqDda+qWTkUJgIwgJICK7zgMfqZZopTRKZ6mY9gzLlmJN9EpXNnDrTxXFlOM/a+I28kJkF/60rqgnYw==
 
 query-string@^4.1.0:
   version "4.3.4"