diff --git a/package.json b/package.json
index 63c8554..f2a8bbd 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,8 @@
   "private": true,
   "dependencies": {
     "classnames": "2.2.6",
-    "react": "16.4.0",
-    "react-dom": "16.4.0",
+    "react": "16.4.1",
+    "react-dom": "16.4.1",
     "react-scripts": "1.1.4"
   },
   "homepage": "https://mythmon.github.io/corsica-tree-status",
diff --git a/yarn.lock b/yarn.lock
index 1046019..50433e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5436,9 +5436,9 @@ react-dev-utils@^5.0.1:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@16.4.0:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.0.tgz#099f067dd5827ce36a29eaf9a6cdc7cbf6216b1e"
+react-dom@16.4.1:
+  version "16.4.1"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.1.tgz#7f8b0223b3a5fbe205116c56deb85de32685dad6"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"
@@ -5494,9 +5494,9 @@ react-scripts@1.1.4:
   optionalDependencies:
     fsevents "^1.1.3"
 
-react@16.4.0:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.4.0.tgz#402c2db83335336fba1962c08b98c6272617d585"
+react@16.4.1:
+  version "16.4.1"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.4.1.tgz#de51ba5764b5dbcd1f9079037b862bd26b82fe32"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"