diff --git a/package.json b/package.json
index 8ff6ecfd..ab38084a 100644
--- a/package.json
+++ b/package.json
@@ -176,7 +176,7 @@
   "devDependencies": {
     "@types/sinon": "^17.0.2",
     "aegir": "^44.1.1",
-    "sinon": "^18.0.0",
+    "sinon": "^19.0.0",
     "sinon-ts": "^2.0.0"
   },
   "browser": {