diff --git a/package.json b/package.json
index 32f2c11..6973bee 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "babel-preset-stage-1": "^6.5.0",
     "babel-runtime": "^6.6.1",
     "bounding-client-rect": "^1.0.5",
-    "classnames": "2.2.1",
+    "classnames": "2.5.0",
     "click-outside": "^2.0.2",
     "clipboard": "^1.7.1",
     "component-uid": "^0.0.2",
diff --git a/yarn.lock b/yarn.lock
index 95e4b80..22c97ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1692,9 +1692,10 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-classnames@2.2.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.1.tgz#4d1a3d02d037d45e00b096c0be6f5496dcbf288a"
+classnames@2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.5.0.tgz#9304d63d8d7135989e33e1ffb0bcc65178f92c2a"
+  integrity sha512-FQuRlyKinxrb5gwJlfVASbSrDlikDJ07426TrfPsdGLvtochowmkbnSFdQGJ2aoXrSetq5KqGV9emvWpy+91xA==
 
 clean-css@^4.0.4:
   version "4.1.11"