diff --git a/package.json b/package.json
index 96936fb40..be4853b83 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "@commitlint/travis-cli": "8.3.5",
     "@mike-works/js-lib-renovate-config": "2.0.0",
     "@mike-works/workshop-semantic-release-config": "1.0.0",
-    "@types/chai": "4.2.14",
+    "@types/chai": "4.2.15",
     "@types/mocha": "5.2.7",
     "@types/node": "12.19.16",
     "@typescript-eslint/eslint-plugin": "2.34.0",
diff --git a/yarn.lock b/yarn.lock
index 61b5070bf..361e9a38c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1188,10 +1188,10 @@
     lodash "^4.17.4"
     read-pkg-up "^6.0.0"
 
-"@types/chai@4.2.14":
-  version "4.2.14"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.14.tgz#44d2dd0b5de6185089375d976b4ec5caf6861193"
-  integrity sha512-G+ITQPXkwTrslfG5L/BksmbLUA0M1iybEsmCWPqzSxsRRhJZimBKJkoMi8fr/CPygPTj4zO5pJH7I2/cm9M7SQ==
+"@types/chai@4.2.15":
+  version "4.2.15"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.15.tgz#b7a6d263c2cecf44b6de9a051cf496249b154553"
+  integrity sha512-rYff6FI+ZTKAPkJUoyz7Udq3GaoDZnxYDEvdEdFZASiA7PoErltHezDishqQiSDWrGxvxmplH304jyzQmjp0AQ==
 
 "@types/color-name@^1.1.1":
   version "1.1.1"