diff --git a/package.json b/package.json
index 0714423..fabeccd 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@istanbuljs/nyc-config-typescript": "1.0.1",
     "@microsoft/api-documenter": "7.8.21",
     "@microsoft/api-extractor": "7.9.2",
-    "@types/chai": "4.2.11",
+    "@types/chai": "4.2.12",
     "@types/chai-as-promised": "7.1.3",
     "@types/js-yaml": "3.12.5",
     "@types/lodash": "4.14.158",
diff --git a/yarn.lock b/yarn.lock
index 252388b..8da45ab 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -333,10 +333,10 @@
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/chai/-/chai-4.2.5.tgz#f8da153ebbe30babb0adc9a528b9ad32be3175a2"
   integrity sha512-YvbLiIc0DbbhiANrfVObdkLEHJksQZVq0Uvfg550SRAKVYaEJy+V70j65BVe2WNp6E3HtKsUczeijHFCjba3og==
 
-"@types/chai@4.2.11":
-  version "4.2.11"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/chai/-/chai-4.2.11.tgz#d3614d6c5f500142358e6ed24e1bf16657536c50"
-  integrity sha512-t7uW6eFafjO+qJ3BIV2gGUyZs27egcNRkUdalkud+Qa3+kg//f129iuOFivHDXQ+vnU3fDXuwgv0cqMCbcE8sw==
+"@types/chai@4.2.12":
+  version "4.2.12"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/chai/-/chai-4.2.12.tgz#6160ae454cd89dae05adc3bb97997f488b608201"
+  integrity sha512-aN5IAC8QNtSUdQzxu7lGBgYAOuU1tmRU4c9dIq5OKGf/SBVjXo+ffM2wEjudAWbgpOhy60nLoAGH1xm8fpCKFQ==
 
 "@types/color-name@^1.1.1":
   version "1.1.1"