diff --git a/package.json b/package.json
index ac19c78..ff22899 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@types/chai": "4.3.1",
     "@types/chai-as-promised": "7.1.5",
     "@types/js-yaml": "4.0.5",
-    "@types/mocha": "9.1.0",
+    "@types/mocha": "9.1.1",
     "@types/seedrandom": "3.0.2",
     "@types/sinon": "10.0.11",
     "@types/sinon-chai": "3.2.8",
diff --git a/yarn.lock b/yarn.lock
index 92b371c..910b577 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -768,10 +768,10 @@
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/minimist/-/minimist-1.2.0.tgz#69a23a3ad29caf0097f06eda59b361ee2f0639f6"
   integrity sha1-aaI6OtKcrwCX8G7aWbNh7i8GOfY=
 
-"@types/mocha@9.1.0":
-  version "9.1.0"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/mocha/-/mocha-9.1.0.tgz#baf17ab2cca3fcce2d322ebc30454bff487efad5"
-  integrity sha512-QCWHkbMv4Y5U9oW10Uxbr45qMMSzl4OzijsozynUAgx3kEHUdXB00udx2dWDQ7f2TU2a2uuiFaRZjCe3unPpeg==
+"@types/mocha@9.1.1":
+  version "9.1.1"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/@types/mocha/-/mocha-9.1.1.tgz#e7c4f1001eefa4b8afbd1eee27a237fee3bf29c4"
+  integrity sha512-Z61JK7DKDtdKTWwLeElSEBcWGRLY8g95ic5FoQqI9CMx0ns/Ghep3B4DfcEimiKMvtamNVULVNKEsiwV3aQmXw==
 
 "@types/node@*", "@types/node@>= 8":
   version "14.0.27"