diff --git a/package-lock.json b/package-lock.json
index 6580979..c698959 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1533,7 +1533,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1620,11 +1621,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -3675,9 +3678,9 @@
       "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o="
     },
     "tree-kill": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.1.tgz",
-      "integrity": "sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q=="
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
+      "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A=="
     },
     "trim-newlines": {
       "version": "1.0.0",