diff --git a/yarn.lock b/yarn.lock
index cbf3c5d0..1a23036f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -168,9 +168,9 @@
     fancy-test "^1.4.3"
 
 "@types/chai@*", "@types/chai@^4.1.7":
-  version "4.1.7"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.1.7.tgz#1b8e33b61a8c09cbe1f85133071baa0dbf9fa71a"
-  integrity sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==
+  version "4.2.17"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.17.tgz#85f9f0610f514b22a94125d441f73eef65bde5cc"
+  integrity sha512-LaiwWNnYuL8xJlQcE91QB2JoswWZckq9A4b+nMPq8dt8AP96727Nb3X4e74u+E3tm4NLTILNI9MYFsyVc30wSA==
 
 "@types/color-name@^1.1.1":
   version "1.1.1"