diff --git a/package-lock.json b/package-lock.json
index c72d103..dba3ea1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3517,9 +3517,9 @@
       }
     },
     "directory-tree": {
-      "version": "2.2.3",
-      "resolved": "https://registry.npmjs.org/directory-tree/-/directory-tree-2.2.3.tgz",
-      "integrity": "sha512-o2D5lYpQpsSCa2w9/NmGZ/d0GJhfa6+8aqLjeoYgVYIG8VViyom6MNvcuHvrcqJcOyS/IoZw4SO0JNq7QPjJOg==",
+      "version": "2.2.9",
+      "resolved": "https://registry.npmjs.org/directory-tree/-/directory-tree-2.2.9.tgz",
+      "integrity": "sha512-BOHxPNvP+XWijPkzoSBvr164IiNxRzvyAiWelbJsU/wG5OYXByer0+Aqo74G1qU+nRKC4yU/czmkmunkWdPPvQ==",
       "dev": true
     },
     "document-ready": {
diff --git a/package.json b/package.json
index bcc7732..f4d7d09 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
 	"devDependencies": {
 		"babel-preset-env": "1.7.0",
 		"babel-register": "6.26.0",
-		"directory-tree": "2.2.3",
+		"directory-tree": "2.2.9",
 		"document-ready": "2.0.2",
 		"fs-extra": "8.1.0",
 		"node-sass": "4.12.0",