diff --git a/package.json b/package.json
index f342eb8..d1487c4 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@istanbuljs/nyc-config-typescript": "1.0.1",
     "@microsoft/api-documenter": "7.13.19",
     "@microsoft/api-extractor": "7.16.1",
-    "@types/chai": "4.2.18",
+    "@types/chai": "4.2.19",
     "@types/chai-as-promised": "7.1.4",
     "@types/lodash": "4.14.170",
     "@types/mocha": "8.2.2",
diff --git a/yarn.lock b/yarn.lock
index b78fba0..2623252 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -371,10 +371,10 @@
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/chai/-/chai-4.2.3.tgz#419477a3d5202bad19e14c787940a61dc9ea6407"
   integrity sha512-VRw2xEGbll3ZiTQ4J02/hUjNqZoue1bMhoo2dgM2LXjDdyaq4q80HgBDHwpI0/VKlo4Eg+BavyQMv/NYgTetzA==
 
-"@types/chai@4.2.18":
-  version "4.2.18"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/chai/-/chai-4.2.18.tgz#0c8e298dbff8205e2266606c1ea5fbdba29b46e4"
-  integrity sha512-rS27+EkB/RE1Iz3u0XtVL5q36MGDWbgYe7zWiodyKNUnthxY0rukK5V36eiUCtCisB7NN8zKYH6DO2M37qxFEQ==
+"@types/chai@4.2.19":
+  version "4.2.19"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/chai/-/chai-4.2.19.tgz#80f286b515897413c7a35bdda069cc80f2344233"
+  integrity sha512-jRJgpRBuY+7izT7/WNXP/LsMO9YonsstuL+xuvycDyESpoDoIAsMd7suwpB4h9oEWB+ZlPTqJJ8EHomzNhwTPQ==
 
 "@types/color-name@^1.1.1":
   version "1.1.1"