diff --git a/yarn.lock b/yarn.lock
index 759b67f..90a8ee6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3,9 +3,9 @@
 
 
 "@types/chai@^4.1.7":
-  version "4.2.6"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.6.tgz#a55625d151d9c7c7a0a95920632131d66480bce9"
-  integrity sha512-HF8faEUA4JurIm+68VaA2KedtZf5LYdXpQEAbIAN79DwWQbO82BNTksZgCH3UMqbZHXex9C6TrBfg7OUInRISQ==
+  version "4.2.7"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.7.tgz#1c8c25cbf6e59ffa7d6b9652c78e547d9a41692d"
+  integrity sha512-luq8meHGYwvky0O7u0eQZdA7B4Wd9owUCqvbw2m3XCrCU8mplYOujMBbvyS547AxJkC+pGnd0Cm15eNxEUNU8g==
 
 "@types/events@*":
   version "3.0.0"