diff --git a/package.json b/package.json
index 4cb4712..3f8a888 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "chai": "^4.3.4",
     "codecov": "^1.0.1",
     "eslint": "^7.30.0",
-    "mocha": "^9.0.2",
+    "mocha": "^9.1.1",
     "nyc": "^15.1.0",
     "sinon": "^11.1.1",
     "sinon-chai": "^3.7.0"
diff --git a/yarn.lock b/yarn.lock
index 623ea5b..0057774 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3048,10 +3048,10 @@ mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
   dependencies:
     minimist "0.0.8"
 
-mocha@^9.0.2:
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-9.0.2.tgz#e84849b61f406a680ced85af76425f6f3108d1a0"
-  integrity sha512-FpspiWU+UT9Sixx/wKimvnpkeW0mh6ROAKkIaPokj3xZgxeRhcna/k5X57jJghEr8X+Cgu/Vegf8zCX5ugSuTA==
+mocha@^9.1.1:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-9.1.1.tgz#33df2eb9c6262434630510c5f4283b36efda9b61"
+  integrity sha512-0wE74YMgOkCgBUj8VyIDwmLUjTsS13WV1Pg7l0SHea2qzZzlq7MDnfbPsHKcELBRk3+izEVkRofjmClpycudCA==
   dependencies:
     "@ungap/promise-all-settled" "1.1.2"
     ansi-colors "4.1.1"