diff --git a/yarn.lock b/yarn.lock
index 02fc675e..3c8198ac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -729,9 +729,9 @@
   integrity sha512-S8bhbV/KazGcuhfHgmWzrEqG+LFZzZYiUqiekFjdULeNcmf5u4Vcq69JpCxaXot4VEi8SMBFoIAQhoymDwgSBw==
 
 "@types/chai@^4.1.7":
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.0.tgz#2478260021408dec32c123a7cad3414beb811a07"
-  integrity sha512-zw8UvoBEImn392tLjxoavuonblX/4Yb9ha4KBU10FirCfwgzhKO0dvyJSF9ByxV1xK1r2AgnAi/tvQaLgxQqxA==
+  version "4.2.6"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.6.tgz#a55625d151d9c7c7a0a95920632131d66480bce9"
+  integrity sha512-HF8faEUA4JurIm+68VaA2KedtZf5LYdXpQEAbIAN79DwWQbO82BNTksZgCH3UMqbZHXex9C6TrBfg7OUInRISQ==
 
 "@types/eslint-visitor-keys@^1.0.0":
   version "1.0.0"