diff --git a/package.json b/package.json
index 738d045..ac8509b 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "url": "https://github.com/Borewit/token-types/issues"
   },
   "devDependencies": {
-    "@types/chai": "^4.3.1",
+    "@types/chai": "^4.3.17",
     "@types/mocha": "^10.0.0",
     "@types/node": "^20.14.9",
     "@typescript-eslint/eslint-plugin": "^7.15.0",
diff --git a/yarn.lock b/yarn.lock
index 70369a7..614afe0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -243,10 +243,10 @@
   resolved "https://registry.yarnpkg.com/@tsconfig/node16/-/node16-1.0.4.tgz#0b92dcc0cc1c81f6f306a381f28e31b1a56536e9"
   integrity sha512-vxhUy4J8lyeyinH7Azl1pdd43GJhZH/tP2weN8TntQblOY+A0XbT8DJk1/oCPuOOyg/Ja757rG0CgHcWC8OfMA==
 
-"@types/chai@^4.3.1":
-  version "4.3.16"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.16.tgz#b1572967f0b8b60bf3f87fe1d854a5604ea70c82"
-  integrity sha512-PatH4iOdyh3MyWtmHVFXLWCCIhUbopaltqddG9BzB+gMIzee2MJrvd+jouii9Z3wzQJruGWAm7WOMjgfG8hQlQ==
+"@types/chai@^4.3.17":
+  version "4.3.17"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.17.tgz#9195f9d242f2ac3b429908864b6b871a8f73f489"
+  integrity sha512-zmZ21EWzR71B4Sscphjief5djsLre50M6lI622OSySTmn9DB3j+C3kWroHfBQWXbOBwbgg/M8CG/hUxDLIloow==
 
 "@types/concat-stream@^2.0.0":
   version "2.0.3"