diff --git a/package-lock.json b/package-lock.json
index 164719f..d05114e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@types/chai": {
-      "version": "4.2.15",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.15.tgz",
-      "integrity": "sha512-rYff6FI+ZTKAPkJUoyz7Udq3GaoDZnxYDEvdEdFZASiA7PoErltHezDishqQiSDWrGxvxmplH304jyzQmjp0AQ==",
+      "version": "4.2.17",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.17.tgz",
+      "integrity": "sha512-LaiwWNnYuL8xJlQcE91QB2JoswWZckq9A4b+nMPq8dt8AP96727Nb3X4e74u+E3tm4NLTILNI9MYFsyVc30wSA==",
       "dev": true
     },
     "@types/mocha": {