diff --git a/package-lock.json b/package-lock.json
index 7cc778f..5c79149 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2021,9 +2021,9 @@
       }
     },
     "classnames": {
-      "version": "2.2.5",
-      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.2.5.tgz",
-      "integrity": "sha1-+zgB1FNGdknvNgPH1hoCvRKb3m0=",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.1.tgz",
+      "integrity": "sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA==",
       "dev": true
     },
     "clean-css": {
diff --git a/package.json b/package.json
index 9c6b8c4..8c840dd 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "babel-plugin-transform-object-rest-spread": "6.26.0",
     "babel-preset-es2015": "6.24.1",
     "babel-preset-react": "6.24.1",
-    "classnames": "2.2.5",
+    "classnames": "2.3.1",
     "copy-webpack-plugin": "4.0.1",
     "css-loader": "0.28.6",
     "eslint": "4.19.0",