diff --git a/package-lock.json b/package-lock.json
index 6d4133b..4117fbf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -432,9 +432,9 @@
       "dev": true
     },
     "@types/chai": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.2.tgz",
-      "integrity": "sha512-8V2aCcPM3WLuJvJpF6N60uUvdZb7NHjpjQlLk1QmZbTP4XZET/FX0c3TJ3K7qt4L98FS1Pifa8BVofTVuJFWVA==",
+      "version": "4.2.21",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.21.tgz",
+      "integrity": "sha512-yd+9qKmJxm496BOV9CMNaey8TWsikaZOwMRwPHQIjcOJM9oV+fi9ZMNw3JsVnbEEbo2gRTDnGEBv8pjyn67hNg==",
       "dev": true
     },
     "@ungap/promise-all-settled": {