diff --git a/package.json b/package.json
index 1f0fb22..17a20b0 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "@types/cross-spawn": "^6.0.6",
     "@types/mocha": "^10.0.10",
     "@types/node": "^24.0.10",
-    "@types/sinon": "^17.0.3",
+    "@types/sinon": "^20.0.0",
     "c8": "^10.1.2",
     "chai": "^6.0.1",
     "coveralls": "^3.0.0",