diff --git a/package-lock.json b/package-lock.json
index ca8e05fb1..55074e6c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1967,11 +1967,12 @@
       "dev": true
     },
     "@types/react": {
-      "version": "16.4.2",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.4.2.tgz",
-      "integrity": "sha512-oVcVteCDNiVc/fkDjowRfAZQDEOR76j3CJ3FvwXNvfV6zJguhghy1lMgpAzYox+9AZsWch+JPV6Imml3wvIUeg==",
+      "version": "16.9.23",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.23.tgz",
+      "integrity": "sha512-SsGVT4E7L2wLN3tPYLiF20hmZTPGuzaayVunfgXzUn1x4uHVsKH6QDJQ/TdpHqwsTLd4CwrmQ2vOgxN7gE24gw==",
       "dev": true,
       "requires": {
+        "@types/prop-types": "*",
         "csstype": "^2.2.0"
       }
     },
@@ -4435,9 +4436,9 @@
       }
     },
     "csstype": {
-      "version": "2.5.7",
-      "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.5.7.tgz",
-      "integrity": "sha512-Nt5VDyOTIIV4/nRFswoCKps1R5CD1hkiyjBE9/thNaNZILLEviVw9yWQw15+O+CpNjQKB/uvdcxFFOrSflY3Yw==",
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.6.9.tgz",
+      "integrity": "sha512-xz39Sb4+OaTsULgUERcCk+TJj8ylkL4aSVDQiX/ksxbELSqwkgt4d4RD7fovIdgJGSuNYqwZEiVjYY5l0ask+Q==",
       "dev": true
     },
     "currently-unhandled": {
diff --git a/package.json b/package.json
index b538828b2..e5a580140 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@types/mocha": "5.2.7",
     "@types/power-assert": "1.5.0",
     "@types/prop-types": "15.7.3",
-    "@types/react": "16.4.2",
+    "@types/react": "16.9.23",
     "@types/react-dom": "16.0.8",
     "assert-rejects": "0.1.1",
     "gh-pages": "1.2.0",