diff --git a/package-lock.json b/package-lock.json
index 1247349..e692f64 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,9 +36,9 @@
       }
     },
     "@types/chai": {
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-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.7.tgz",
-      "integrity": "sha512-luq8meHGYwvky0O7u0eQZdA7B4Wd9owUCqvbw2m3XCrCU8mplYOujMBbvyS547AxJkC+pGnd0Cm15eNxEUNU8g==",
+      "version": "4.2.19",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.19.tgz",
+      "integrity": "sha512-jRJgpRBuY+7izT7/WNXP/LsMO9YonsstuL+xuvycDyESpoDoIAsMd7suwpB4h9oEWB+ZlPTqJJ8EHomzNhwTPQ==",
       "dev": true
     },
     "@types/mocha": {