diff --git a/yarn.lock b/yarn.lock
index 6aae3c3..beb375e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -165,10 +165,10 @@
   dependencies:
     "@types/base-x" "*"
 
-"@types/chai@^4.2.3":
-  version "4.2.3"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.3.tgz#419477a3d5202bad19e14c787940a61dc9ea6407"
-  integrity sha512-VRw2xEGbll3ZiTQ4J02/hUjNqZoue1bMhoo2dgM2LXjDdyaq4q80HgBDHwpI0/VKlo4Eg+BavyQMv/NYgTetzA==
+"@types/chai@^4.2.7":
+  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"