diff --git a/package.json b/package.json
index f1628e72..3e255133 100644
--- a/package.json
+++ b/package.json
@@ -46,8 +46,8 @@
     "normalize.css": "^8.0.0",
     "prettier": "^1.7.4",
     "prismjs": "^1.15.0",
-    "react": "16.8.3",
-    "react-dom": "16.8.3",
+    "react": "16.8.6",
+    "react-dom": "16.8.6",
     "react-helmet": "^5.2.0",
     "react-live": "1.8.0-0",
     "remarkable": "^1.7.1",
diff --git a/src/site-constants.js b/src/site-constants.js
index f2610327..4618432e 100644
--- a/src/site-constants.js
+++ b/src/site-constants.js
@@ -8,7 +8,7 @@
 // NOTE: We can't just use `location.toString()` because when we are rendering
 // the SSR part in node.js we won't have a proper location.
 const urlRoot = 'https://reactjs.org';
-const version = '16.8.4';
+const version = '16.8.6';
 const babelURL = 'https://unpkg.com/babel-standalone@6.26.0/babel.min.js';
 
 export {babelURL, urlRoot, version};
diff --git a/yarn.lock b/yarn.lock
index a3859f10..24628533 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10220,15 +10220,15 @@ react-dev-utils@^4.2.1:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@16.8.3:
-  version "16.8.3"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.3.tgz#ae236029e66210783ac81999d3015dfc475b9c32"
-  integrity sha512-ttMem9yJL4/lpItZAQ2NTFAbV7frotHk5DZEHXUOws2rMmrsvh1Na7ThGT0dTzUIl6pqTOi5tYREfL8AEna3lA==
+react-dom@16.8.6:
+  version "16.8.6"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.6.tgz#71d6303f631e8b0097f56165ef608f051ff6e10f"
+  integrity sha512-1nL7PIq9LTL3fthPqwkvr2zY7phIPjYrT0jp4HjyEQrEROnw4dG41VVwi/wfoCneoleqrNX7iAD+pXebJZwrwA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.13.3"
+    scheduler "^0.13.6"
 
 react-error-overlay@^3.0.0:
   version "3.0.0"
@@ -10282,15 +10282,15 @@ react-side-effect@^1.1.0:
     exenv "^1.2.1"
     shallowequal "^1.0.1"
 
-react@16.8.3:
-  version "16.8.3"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.8.3.tgz#c6f988a2ce895375de216edcfaedd6b9a76451d9"
-  integrity sha512-3UoSIsEq8yTJuSu0luO1QQWYbgGEILm+eJl2QN/VLDi7hL+EN18M3q3oVZwmVzzBJ3DkM7RMdRwBmZZ+b4IzSA==
+react@16.8.6:
+  version "16.8.6"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"
+  integrity sha512-pC0uMkhLaHm11ZSJULfOBqV4tIZkx87ZLvbbQYunNixAAvjnC+snJCg0XQXn9VIsttVsbZP/H/ewzgsd5fxKXw==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.13.3"
+    scheduler "^0.13.6"
 
 read-all-stream@^3.0.0:
   version "3.1.0"
@@ -10964,10 +10964,10 @@ sax@>=0.6.0, sax@^1.2.4, sax@~1.2.1, sax@~1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-scheduler@^0.13.3:
-  version "0.13.3"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.3.tgz#bed3c5850f62ea9c716a4d781f9daeb9b2a58896"
-  integrity sha512-UxN5QRYWtpR1egNWzJcVLk8jlegxAugswQc984lD3kU7NuobsO37/sRfbpTdBjtnD5TBNFA2Q2oLV5+UmPSmEQ==
+scheduler@^0.13.6:
+  version "0.13.6"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.6.tgz#466a4ec332467b31a91b9bf74e5347072e4cd889"
+  integrity sha512-IWnObHt413ucAYKsD9J1QShUKkbKLQQHdxRyw73sw4FN26iWr3DY/H34xGPe4nmL1DwXyWmSWmMrA9TfQbE/XQ==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"