diff --git a/package-lock.json b/package-lock.json
index ec6855e5e..e967b7e55 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1334,9 +1334,9 @@
       "dev": true
     },
     "@types/prop-types": {
-      "version": "15.5.7",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.5.7.tgz",
-      "integrity": "sha512-a6WH0fXkgPNiGIuLjjdpf0n/GnmgWZ4vLuVIJJnDwhmRDPEaiRBcy5ofQPh+EJFua0S1QWmk1745+JqZQGnJ8Q==",
+      "version": "15.5.8",
+      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.5.8.tgz",
+      "integrity": "sha512-3AQoUxQcQtLHsK25wtTWIoIpgYjH3vSDroZOUr7PpCHw/jLY1RB9z9E8dBT/OSmwStVgkRNvdh+ZHNiomRieaw==",
       "dev": true
     },
     "@types/react": {
diff --git a/package.json b/package.json
index e2a7a4bab..b73cfdfb3 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "@ht2-labs/typescript-project": "1.1.0",
     "@types/mocha": "5.2.5",
     "@types/power-assert": "1.5.0",
-    "@types/prop-types": "15.5.7",
+    "@types/prop-types": "15.5.8",
     "@types/react": "16.4.2",
     "@types/react-dom": "16.0.8",
     "assert-rejects": "0.1.1",