diff --git a/package-lock.json b/package-lock.json
index cc9d6abc..d2c9ce13 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -726,7 +726,8 @@
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
       "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "error-ex": {
       "version": "1.3.2",
@@ -3425,9 +3426,9 @@
       }
     },
     "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==",
       "dev": true
     },
     "truffle": {