diff --git a/packages/netlify-cms-core/package.json b/packages/netlify-cms-core/package.json
index 5e482626..39eed8ac 100644
--- a/packages/netlify-cms-core/package.json
+++ b/packages/netlify-cms-core/package.json
@@ -43,7 +43,7 @@
     "react-frame-component": "^4.1.0",
     "react-hot-loader": "^4.8.0",
     "react-immutable-proptypes": "^2.1.0",
-    "react-is": "16.11.0",
+    "react-is": "16.12.0",
     "react-modal": "^3.8.1",
     "react-polyglot": "^0.6.0",
     "react-redux": "^5.1.1",
diff --git a/yarn.lock b/yarn.lock
index 3ca3c9d9..0f21ced4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10528,12 +10528,7 @@ react-input-autosize@^2.2.1:
   dependencies:
     prop-types "^15.5.8"
 
-react-is@16.11.0:
-  version "16.11.0"
-  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.11.0.tgz#b85dfecd48ad1ce469ff558a882ca8e8313928fa"
-  integrity sha512-gbBVYR2p8mnriqAwWx9LbuUrShnAuSCNnuPGyc7GJrMVQtPDAh8iLpv7FRuMPFb56KkaVZIYSz1PrjI9q0QPCw==
-
-react-is@^16.6.0, react-is@^16.6.3, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6:
+react-is@16.12.0, react-is@^16.6.0, react-is@^16.6.3, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6:
   version "16.12.0"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.12.0.tgz#2cc0fe0fba742d97fd527c42a13bec4eeb06241c"
   integrity sha512-rPCkf/mWBtKc97aLL9/txD8DZdemK0vkA3JMLShjlJB3Pj3s+lpf1KaBzMfQrAmhMQB0n1cU/SUGgKKBCe837Q==