diff --git a/package.json b/package.json
index 23b92a2..fa09d16 100644
--- a/package.json
+++ b/package.json
@@ -9,8 +9,8 @@
   },
   "dependencies": {
     "express": "4.16.3",
-    "react": "16.4.1",
-    "react-dom": "16.4.1"
+    "react": "16.4.2",
+    "react-dom": "16.4.2"
   },
   "devDependencies": {
     "@babel/cli": "7.2.0",
diff --git a/yarn.lock b/yarn.lock
index 02112b6..d154aa1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3587,10 +3587,10 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-dom@16.4.1:
-  version "16.4.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.1.tgz#7f8b0223b3a5fbe205116c56deb85de32685dad6"
-  integrity sha512-1Gin+wghF/7gl4Cqcvr1DxFX2Osz7ugxSwl6gBqCMpdrxHjIFUS7GYxrFftZ9Ln44FHw0JxCFD9YtZsrbR5/4A==
+react-dom@16.4.2:
+  version "16.4.2"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.2.tgz#4afed569689f2c561d2b8da0b819669c38a0bda4"
+  integrity sha512-Usl73nQqzvmJN+89r97zmeUpQDKDlh58eX6Hbs/ERdDHzeBzWy+ENk7fsGQ+5KxArV1iOFPT46/VneklK9zoWw==
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -3602,10 +3602,10 @@ react-is@^16.8.1:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.8.1.tgz#a80141e246eb894824fb4f2901c0c50ef31d4cdb"
   integrity sha512-ioMCzVDWvCvKD8eeT+iukyWrBGrA3DiFYkXfBsVYIRdaREZuBjENG+KjrikavCLasozqRWTwFUagU/O4vPpRMA==
 
-react@16.4.1:
-  version "16.4.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.4.1.tgz#de51ba5764b5dbcd1f9079037b862bd26b82fe32"
-  integrity sha512-3GEs0giKp6E0Oh/Y9ZC60CmYgUPnp7voH9fbjWsvXtYFb4EWtgQub0ADSq0sJR0BbHc4FThLLtzlcFaFXIorwg==
+react@16.4.2:
+  version "16.4.2"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.4.2.tgz#2cd90154e3a9d9dd8da2991149fdca3c260e129f"
+  integrity sha512-dMv7YrbxO4y2aqnvA7f/ik9ibeLSHQJTI6TrYAenPSaQ6OXfb+Oti+oJiy8WBxgRzlKatYqtCjphTgDSCEiWFg==
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"