diff --git a/package.json b/package.json
index 4c9fe011a..83c289575 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
 		"pify": "^6.1.0",
 		"readable-stream": "^4.4.2",
 		"request": "^2.88.2",
-		"sinon": "^18.0.0",
+		"sinon": "^21.0.1",
 		"slow-stream": "0.0.4",
 		"tempy": "^3.1.0",
 		"then-busboy": "^5.2.1",