diff --git a/yarn.lock b/yarn.lock
index 5ed2df7..8100052 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1793,9 +1793,9 @@ caseless@~0.12.0:
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
 chai@^4.2.0:
-  version "4.3.3"
-  resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.3.tgz#f2b2ad9736999d07a7ff95cf1e7086c43a76f72d"
-  integrity sha512-MPSLOZwxxnA0DhLE84klnGPojWFK5KuhP7/j5dTsxpr2S3XlkqJP5WbyYl1gCTWvG2Z5N+HD4F472WsbEZL6Pw==
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.4.tgz#b55e655b31e1eac7099be4c08c21964fce2e6c49"
+  integrity sha512-yS5H68VYOCtN1cjfwumDSuzn/9c+yza4f3reKXlE5rUg7SFcCEy90gJvydNgOYtblyf4Zi6jIWRnXOgErta0KA==
   dependencies:
     assertion-error "^1.1.0"
     check-error "^1.0.2"