diff --git a/package.json b/package.json
index 9e3b617..e887fdb 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@mike-works/js-lib-renovate-config": "2.0.0",
     "@mike-works/workshop-semantic-release-config": "1.0.0",
-    "@types/chai": "4.2.0",
+    "@types/chai": "4.2.1",
     "@types/inquirer": "6.5.0",
     "@types/mocha": "5.2.7",
     "@types/node": "10.14.17",
diff --git a/yarn.lock b/yarn.lock
index c1df8b5..0bfb8e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -793,10 +793,10 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
-"@types/chai@4.2.0":
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.0.tgz#2478260021408dec32c123a7cad3414beb811a07"
-  integrity sha512-zw8UvoBEImn392tLjxoavuonblX/4Yb9ha4KBU10FirCfwgzhKO0dvyJSF9ByxV1xK1r2AgnAi/tvQaLgxQqxA==
+"@types/chai@4.2.1":
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.1.tgz#de162553aceca778d989929d821c5d4942921ebc"
+  integrity sha512-LDKlQW/V8bQr5p9aoHye9p7x9faxq0GVeWAkn/Zgyyn848LIAzuR1sHQjGmUBFUpINuGWDG2NTM/ofA2aLMIew==
 
 "@types/inquirer@6.5.0":
   version "6.5.0"