diff --git a/package.json b/package.json
index dace5ee05..9badb4912 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   },
   "devDependencies": {
     "@rollup/plugin-typescript": "3.1.1",
-    "@types/chai": "4.2.21",
+    "@types/chai": "4.3.0",
     "@types/mocha": "8.2.3",
     "@xapp/config": "0.2.3",
     "bespoken-tools": "2.4.105",
diff --git a/yarn.lock b/yarn.lock
index a72e74e46..700e6a077 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -421,10 +421,10 @@
     "@types/connect" "*"
     "@types/node" "*"
 
-"@types/chai@4.2.21":
-  version "4.2.21"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.21.tgz#9f35a5643129df132cf3b5c1ec64046ea1af0650"
-  integrity sha512-yd+9qKmJxm496BOV9CMNaey8TWsikaZOwMRwPHQIjcOJM9oV+fi9ZMNw3JsVnbEEbo2gRTDnGEBv8pjyn67hNg==
+"@types/chai@4.3.0":
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.0.tgz#23509ebc1fa32f1b4d50d6a66c4032d5b8eaabdc"
+  integrity sha512-/ceqdqeRraGolFTcfoXNiqjyQhZzbINDngeoAq9GoHa8PPK1yNzTaxWjA6BFWp5Ua9JpXEMSS4s5i9tS0hOJtw==
 
 "@types/connect@*":
   version "3.4.33"