diff --git a/package-lock.json b/package-lock.json
index f4bb7eee..8539f9f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "@types/lodash": "4.17.12",
         "@types/minimist": "1.2.5",
         "@types/mocha": "10.0.9",
-        "@types/sinon": "17.0.3",
+        "@types/sinon": "21.0.1",
         "@types/useragent": "2.3.4",
         "@types/ws": "8.5.12",
         "@typescript-eslint/eslint-plugin": "6.21.0",
@@ -2279,9 +2279,9 @@
       "license": "MIT"
     },
     "node_modules/@types/sinon": {
-      "version": "17.0.3",
-      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-17.0.3.tgz",
-      "integrity": "sha512-j3uovdn8ewky9kRBG19bOwaZbexJu/XjtkHyjvUgt4xfPFz18dcORIMqnYh66Fx3Powhcr85NT5+er3+oViapw==",
+      "version": "21.0.1",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-21.0.1.tgz",
+      "integrity": "sha512-5yoJSqLbjH8T9V2bksgRayuhpZy+723/z6wBOR+Soe4ZlXC0eW8Na71TeaZPUWDQvM7LYKa9UGFc6LRqxiR5fQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 119e60bf..82a00e6b 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "@types/lodash": "4.17.12",
     "@types/minimist": "1.2.5",
     "@types/mocha": "10.0.9",
-    "@types/sinon": "17.0.3",
+    "@types/sinon": "21.0.1",
     "@types/useragent": "2.3.4",
     "@types/ws": "8.5.12",
     "@typescript-eslint/eslint-plugin": "6.21.0",