diff --git a/package-lock.json b/package-lock.json
index 98f0acd..233db3d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "weald": "^1.0.2"
       },
       "devDependencies": {
-        "@types/sinon": "^17.0.3",
+        "@types/sinon": "^20.0.0",
         "aegir": "^46.0.0",
         "sinon": "^21.0.0"
       }
@@ -3993,9 +3993,9 @@
       "license": "MIT"
     },
     "node_modules/@types/sinon": {
-      "version": "17.0.4",
-      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-17.0.4.tgz",
-      "integrity": "sha512-RHnIrhfPO3+tJT0s7cFaXGZvsL4bbR3/k7z3P312qMS4JaS2Tk+KiwiLx1S0rQ56ERj00u1/BtdyVd0FY+Pdew==",
+      "version": "20.0.0",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-20.0.0.tgz",
+      "integrity": "sha512-etYGUC6IEevDGSWvR9WrECRA01ucR2/Oi9XMBUAdV0g4bLkNf4HlZWGiGlDOq5lgwXRwcV+PSeKgFcW4QzzYOg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 63ac6f9..23dce0b 100644
--- a/package.json
+++ b/package.json
@@ -139,7 +139,7 @@
     "weald": "^1.0.2"
   },
   "devDependencies": {
-    "@types/sinon": "^17.0.3",
+    "@types/sinon": "^20.0.0",
     "aegir": "^46.0.0",
     "sinon": "^21.0.0"
   }