diff --git a/package.json b/package.json
index a060a05..4d6ca5f 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "escape-html": "^1.0.3",
     "glob": "^7.1.2",
     "jquery": "^3.1.1",
-    "mkdirp": "^0.5.1",
+    "mkdirp": "^1.0.0",
     "mmmagic": "^0.5.0",
     "pify": "^4.0.0",
     "progress": "^2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 23d4af2..a3d1402 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4280,6 +4280,11 @@ mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   dependencies:
     minimist "0.0.8"
 
+mkdirp@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.2.tgz#5ccd93437619ca7050b538573fc918327eba98fb"
+  integrity sha512-N2REVrJ/X/jGPfit2d7zea2J1pf7EAR5chIUcfHffAZ7gmlam5U65sAm76+o4ntQbSRdTjYf7qZz3chuHlwXEA==
+
 mmmagic@^0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/mmmagic/-/mmmagic-0.5.0.tgz#d48abc98290d6bafb9c8c3eda5913e434e8cb9d0"
@@ -5210,11 +5215,6 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-is@^16.8.1:
-  version "16.8.1"
-  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.8.1.tgz#a80141e246eb894824fb4f2901c0c50ef31d4cdb"
-  integrity sha512-ioMCzVDWvCvKD8eeT+iukyWrBGrA3DiFYkXfBsVYIRdaREZuBjENG+KjrikavCLasozqRWTwFUagU/O4vPpRMA==
-
 read-only-stream@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/read-only-stream/-/read-only-stream-2.0.0.tgz#2724fd6a8113d73764ac288d4386270c1dbf17f0"