diff --git a/standalone/package-lock.json b/standalone/package-lock.json
index d7d2049..3ca80e9 100644
--- a/standalone/package-lock.json
+++ b/standalone/package-lock.json
@@ -128,12 +128,12 @@
       "dev": true
     },
     "@types/mkdirp": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-0.5.2.tgz",
-      "integrity": "sha512-U5icWpv7YnZYGsN4/cmh3WD2onMY0aJIiTE6+51TwJCttdHvtCYmkBNOobHlXwrJRL0nkH9jH4kD+1FAdMN4Tg==",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-1.0.1.tgz",
+      "integrity": "sha512-HkGSK7CGAXncr8Qn/0VqNtExEE+PHMWb+qlR1faHMao7ng6P3tAaoWWBMdva0gL5h4zprjIO89GJOLXsMcDm1Q==",
       "dev": true,
       "requires": {
-        "@types/node": "12.0.0"
+        "@types/node": "*"
       }
     },
     "@types/ncp": {
@@ -309,7 +309,8 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/boolean/-/boolean-3.0.0.tgz",
       "integrity": "sha512-OElxJ1lUSinuoUnkpOgLmxp0DC4ytEhODEL6QJU0NpxE/mI4rUSh8h1P1Wkvfi3xQEBcxXR2gBIPNYNuaFcAbQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "brace-expansion": {
       "version": "1.1.11",
diff --git a/standalone/package.json b/standalone/package.json
index b70b305..0572cd6 100644
--- a/standalone/package.json
+++ b/standalone/package.json
@@ -22,7 +22,7 @@
   "keywords": [],
   "devDependencies": {
     "@types/glob": "^7.1.1",
-    "@types/mkdirp": "^0.5.2",
+    "@types/mkdirp": "^1.0.1",
     "@types/ncp": "^2.0.3",
     "@types/temp": "^0.8.32",
     "@types/triple-beam": "^1.3.0",