diff --git a/packages/referrer-parser/package.json b/packages/referrer-parser/package.json
index da63902fa..c961c1ef1 100644
--- a/packages/referrer-parser/package.json
+++ b/packages/referrer-parser/package.json
@@ -50,7 +50,7 @@
   "devDependencies": {
     "@types/node": "^24.0.0",
     "@types/should": "^13.0.0",
-    "@types/sinon": "^17.0.3",
+    "@types/sinon": "^20.0.0",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
     "@vitest/coverage-v8": "^4.0.0",
diff --git a/yarn.lock b/yarn.lock
index 75999ca29..1f7f6750d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3482,10 +3482,10 @@
   dependencies:
     should "*"
 
-"@types/sinon@^17.0.3":
-  version "17.0.4"
-  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-17.0.4.tgz#fd9a3e8e07eea1a3f4a6f82a972c899e5778f369"
-  integrity sha512-RHnIrhfPO3+tJT0s7cFaXGZvsL4bbR3/k7z3P312qMS4JaS2Tk+KiwiLx1S0rQ56ERj00u1/BtdyVd0FY+Pdew==
+"@types/sinon@^20.0.0":
+  version "20.0.0"
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-20.0.0.tgz#dee3894bf87121424105aad68e701b46fbfc0cbd"
+  integrity sha512-etYGUC6IEevDGSWvR9WrECRA01ucR2/Oi9XMBUAdV0g4bLkNf4HlZWGiGlDOq5lgwXRwcV+PSeKgFcW4QzzYOg==
   dependencies:
     "@types/sinonjs__fake-timers" "*"