diff --git a/yarn.lock b/yarn.lock
index 37346e1..082f41b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1839,9 +1839,9 @@
     "@babel/types" "^7.3.0"
 
 "@types/classnames@^2.3.1":
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/@types/classnames/-/classnames-2.3.1.tgz#3c2467aa0f1a93f1f021e3b9bcf938bd5dfdc0dd"
-  integrity sha512-zeOWb0JGBoVmlQoznvqXbE0tEC/HONsnoUNH19Hc96NFsTAwTXbTqb8FMYkru1F/iqp7a18Ws3nWJvtA1sHD1A==
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/@types/classnames/-/classnames-2.3.4.tgz#1a1fdf5023ef216219f13e702543f9ce9b394560"
+  integrity sha512-dwmfrMMQb9ujX1uYGvB5ERDlOzBNywnZAZBtOe107/hORWP05ESgU4QyaanZMWYYfd2BzrG78y13/Bju8IQcMQ==
   dependencies:
     classnames "*"
 
@@ -3488,15 +3488,10 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-classnames@*:
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.3.1.tgz#dfcfa3891e306ec1dad105d0e88f4417b8535e8e"
-  integrity sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA==
-
-classnames@^2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.3.2.tgz#351d813bf0137fcc6a76a16b88208d2560a0d924"
-  integrity sha512-CSbhY4cFEJRe6/GQzIk5qXZ4Jeg5pcsP7b5peFSDpffpe1cqjASH/n9UTjBwOp6XpMSTwQ8Za2K5V02ueA7Tmw==
+classnames@*, classnames@^2.3.2:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.5.1.tgz#ba774c614be0f016da105c858e7159eae8e7687b"
+  integrity sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==
 
 clean-css@^4.2.3:
   version "4.2.4"