diff --git a/package.json b/package.json
index de9b57f29c2c2..4678ccac162ca 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@primer/octicons": "^10.1.0",
     "@types/basic-auth": "^1.1.3",
     "@types/busboy": "^0.2.4",
-    "@types/chai": "^4.2.22",
+    "@types/chai": "^4.3.18",
     "@types/chai-as-promised": "^7.1.4",
     "@types/dirty-chai": "^2.0.2",
     "@types/express": "^4.17.13",
diff --git a/yarn.lock b/yarn.lock
index c37b734815e7c..5d820f174af08 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -403,10 +403,10 @@
   resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.1.7.tgz#1b8e33b61a8c09cbe1f85133071baa0dbf9fa71a"
   integrity sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==
 
-"@types/chai@^4.2.22":
-  version "4.2.22"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.22.tgz#47020d7e4cf19194d43b5202f35f75bd2ad35ce7"
-  integrity sha512-tFfcE+DSTzWAgifkjik9AySNqIyNoYwmR+uecPwwD/XRNfvOjmC/FjCxpiUGDkDVDphPfCUecSQVFw+lN3M3kQ==
+"@types/chai@^4.3.18":
+  version "4.3.18"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.18.tgz#dd6a46c9796b0435c13f85e8d44c8ea8e37fa2c1"
+  integrity sha512-2UfJzigyNa8kYTKn7o4hNMPphkxtu4WTJyobK3m4FBpyj7EK5xgtPcOtxLm7Dznk/Qxr0QXn+gQbkg7mCZKdfg==
 
 "@types/color-name@^1.1.1":
   version "1.1.1"