diff --git a/package-lock.json b/package-lock.json
index 5a6931c..e009a80 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1472,9 +1472,9 @@
       "dev": true
     },
     "@types/prop-types": {
-      "version": "15.7.1",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.1.tgz",
-      "integrity": "sha512-CFzn9idOEpHrgdw8JsoTkaDDyRWk1jrzIV8djzcgpq0y9tG4B4lFT+Nxh52DVpDXV+n4+NPNv7M1Dj5uMp6XFg==",
+      "version": "15.7.3",
+      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.3.tgz",
+      "integrity": "sha512-KfRL3PuHmqQLOG+2tGpRO26Ctg+Cq1E01D2DMriKEATHgWLfeNDmq9e29Q9WIky0dQ3NPkd1mzYH8Lm936Z9qw==",
       "dev": true
     },
     "@types/q": {
@@ -1484,19 +1484,19 @@
       "dev": true
     },
     "@types/react": {
-      "version": "16.8.22",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.8.22.tgz",
-      "integrity": "sha512-C3O1yVqk4sUXqWyx0wlys76eQfhrQhiDhDlHBrjER76lR2S2Agiid/KpOU9oCqj1dISStscz7xXz1Cg8+sCQeA==",
+      "version": "16.9.54",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.54.tgz",
+      "integrity": "sha512-GhawhYraQZpGFO2hVMArjPrYbnA/6+DS8SubK8IPhhVClmKqANihsRenOm5E0mvqK0m/BKoqVktA1O1+Xvlz9w==",
       "dev": true,
       "requires": {
         "@types/prop-types": "*",
-        "csstype": "^2.2.0"
+        "csstype": "^3.0.2"
       }
     },
     "@types/react-dom": {
-      "version": "16.8.4",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.8.4.tgz",
-      "integrity": "sha512-eIRpEW73DCzPIMaNBDP5pPIpK1KXyZwNgfxiVagb5iGiz6da+9A5hslSX6GAQKdO7SayVCS/Fr2kjqprgAvkfA==",
+      "version": "16.9.9",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.9.9.tgz",
+      "integrity": "sha512-jE16FNWO3Logq/Lf+yvEAjKzhpST/Eac8EMd1i4dgZdMczfgqC8EjpxwNgEe3SExHYLliabXDh9DEhhqnlXJhg==",
       "dev": true,
       "requires": {
         "@types/react": "*"
@@ -3886,9 +3886,9 @@
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     },
     "csstype": {
-      "version": "2.6.5",
-      "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.6.5.tgz",
-      "integrity": "sha512-JsTaiksRsel5n7XwqPAfB0l3TFKdpjW/kgAELf9vrb5adGA7UCPLajKK5s3nFrcFm3Rkyp/Qkgl73ENc1UY3cA==",
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.4.tgz",
+      "integrity": "sha512-xc8DUsCLmjvCfoD7LTGE0ou2MIWLx0K9RCZwSHMOdynqRsP4MtUcLeqh1HcQ2dInwDTqn+3CE0/FZh1et+p4jA==",
       "dev": true
     },
     "cyclist": {
diff --git a/package.json b/package.json
index 2527710..37ccaef 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@types/jest": "^24.0.13",
-    "@types/react-dom": "^16.8.4",
+    "@types/react-dom": "^16.9.9",
     "jest": "24.7.1",
     "react-scripts": "^3.0.1",
     "ts-jest": "^24.0.2",