diff --git a/package-lock.json b/package-lock.json
index c873d2c4..a4bb6c0e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2817,9 +2817,9 @@
       }
     },
     "classnames": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.2.6.tgz",
-      "integrity": "sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q=="
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.1.tgz",
+      "integrity": "sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA=="
     },
     "cli-boxes": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index 5d2796ae..9fb1dbe2 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
   ],
   "dependencies": {
     "babel-runtime": "6.x",
-    "classnames": "^2.2.6",
+    "classnames": "^2.3.1",
     "prop-types": "^15.5.7",
     "react-lifecycles-compat": "^3.0.4"
   }