diff --git a/package.json b/package.json
index 454ac4b..9ffc9aa 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": "4.2.17",
+    "@types/chai": "4.2.18",
     "@types/inquirer": "6.5.0",
     "@types/mocha": "5.2.7",
     "@types/node": "10.17.59",
diff --git a/yarn.lock b/yarn.lock
index 5d87c62..8717f1a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -887,10 +887,10 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
-"@types/chai@4.2.17":
-  version "4.2.17"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.17.tgz#85f9f0610f514b22a94125d441f73eef65bde5cc"
-  integrity sha512-LaiwWNnYuL8xJlQcE91QB2JoswWZckq9A4b+nMPq8dt8AP96727Nb3X4e74u+E3tm4NLTILNI9MYFsyVc30wSA==
+"@types/chai@4.2.18":
+  version "4.2.18"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.18.tgz#0c8e298dbff8205e2266606c1ea5fbdba29b46e4"
+  integrity sha512-rS27+EkB/RE1Iz3u0XtVL5q36MGDWbgYe7zWiodyKNUnthxY0rukK5V36eiUCtCisB7NN8zKYH6DO2M37qxFEQ==
 
 "@types/color-name@^1.1.1":
   version "1.1.1"