diff --git a/package.json b/package.json
index 1de6557..a690eee 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
   "devDependencies": {
     "@istanbuljs/nyc-config-typescript": "0.1.3",
     "@types/bunyan": "1.8.6",
-    "@types/chai": "4.2.2",
+    "@types/chai": "4.2.3",
     "@types/deep-diff": "1.0.0",
     "@types/js-yaml": "3.12.1",
     "@types/lodash": "4.14.138",
diff --git a/yarn.lock b/yarn.lock
index ece2fa3..1402344 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -154,10 +154,10 @@
   dependencies:
     "@types/node" "*"
 
-"@types/chai@4.2.2":
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.2.tgz#6b825013863d04868c15624ec8b7fdced88a47c6"
-  integrity sha512-8V2aCcPM3WLuJvJpF6N60uUvdZb7NHjpjQlLk1QmZbTP4XZET/FX0c3TJ3K7qt4L98FS1Pifa8BVofTVuJFWVA==
+"@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/deep-diff@1.0.0":
   version "1.0.0"