diff --git a/yarn.lock b/yarn.lock
index 0a8e57f..1463231 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"
@@ -9246,9 +9228,9 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   integrity sha1-pcbVMr5lbiPbgg77lDofBJmNY68=
 
 y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
-  integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
 y18n@^4.0.0:
   version "4.0.0"