diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 49ed8ce2b0..07dfe6e86e 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -46,7 +46,7 @@
         "@types/chai": "^4.2.15",
         "@types/chai-as-promised": "^7.1.3",
         "@types/express-serve-static-core": "^4.17.21",
-        "@types/mocha": "^8.2.1",
+        "@types/mocha": "^9.0.0",
         "@types/mz": "^2.7.3",
         "@types/node": "^16.0.0",
         "@types/node-fetch": "^2.5.8",
@@ -3718,9 +3718,9 @@
       "dev": true
     },
     "node_modules/@types/mocha": {
-      "version": "8.2.3",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.2.3.tgz",
-      "integrity": "sha512-ekGvFhFgrc2zYQoX4JeZPmVzZxw6Dtllga7iGHzfbYIYkAMUx/sAFP2GdFpLff+vdHXu5fl7WX9AT+TtqYcsyw==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.0.0.tgz",
+      "integrity": "sha512-scN0hAWyLVAvLR9AyW7HoFF5sJZglyBsbPuHO4fv7JRvfmPBMfp1ozWqOf/e4wwPNxezBZXRfWzMb6iFLgEVRA==",
       "dev": true
     },
     "node_modules/@types/mz": {
@@ -22812,9 +22812,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "8.2.3",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.2.3.tgz",
-      "integrity": "sha512-ekGvFhFgrc2zYQoX4JeZPmVzZxw6Dtllga7iGHzfbYIYkAMUx/sAFP2GdFpLff+vdHXu5fl7WX9AT+TtqYcsyw==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.0.0.tgz",
+      "integrity": "sha512-scN0hAWyLVAvLR9AyW7HoFF5sJZglyBsbPuHO4fv7JRvfmPBMfp1ozWqOf/e4wwPNxezBZXRfWzMb6iFLgEVRA==",
       "dev": true
     },
     "@types/mz": {
diff --git a/web3.js/package.json b/web3.js/package.json
index 4552402ea4..e7c39d09dc 100644
--- a/web3.js/package.json
+++ b/web3.js/package.json
@@ -99,7 +99,7 @@
     "@types/chai": "^4.2.15",
     "@types/chai-as-promised": "^7.1.3",
     "@types/express-serve-static-core": "^4.17.21",
-    "@types/mocha": "^8.2.1",
+    "@types/mocha": "^9.0.0",
     "@types/mz": "^2.7.3",
     "@types/node": "^16.0.0",
     "@types/node-fetch": "^2.5.8",