diff --git a/yarn.lock b/yarn.lock
index c5be0c71..6aee69d3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4564,7 +4564,7 @@ react-is@^16.6.3, react-is@^16.7.0, react-is@^16.8.1:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.10.1.tgz#0612786bf19df406502d935494f0450b40b8294f"
   integrity sha512-BXUMf9sIOPXXZWqr7+c5SeOKJykyVr2u0UDzEf4LNGc6taGkQe1A9DFD07umCIXz45RLr9oAAwZbAJ0Pkknfaw==
 
-react-jss@^8.0.0:
+react-jss@^8.6.1:
   version "8.6.1"
   resolved "https://registry.yarnpkg.com/react-jss/-/react-jss-8.6.1.tgz#a06e2e1d2c4d91b4d11befda865e6c07fbd75252"
   integrity sha512-SH6XrJDJkAphp602J14JTy3puB2Zxz1FkM3bKVE8wON+va99jnUTKWnzGECb3NfIn9JPR5vHykge7K3/A747xQ==
@@ -5870,9 +5870,9 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
 y18n@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
-  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4"
+  integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==
 
 yallist@^2.1.2:
   version "2.1.2"