diff --git a/packages/hardhat-zksync/package.json b/packages/hardhat-zksync/package.json
index a7f6832fe..620f12343 100644
--- a/packages/hardhat-zksync/package.json
+++ b/packages/hardhat-zksync/package.json
@@ -50,7 +50,7 @@
     "zksync-ethers": "^6.8.0",
     "chai": "^4.3.4",
     "sinon-chai": "^3.7.0",
-    "sinon": "^18.0.0"
+    "sinon": "^19.0.2"
   },
   "devDependencies": {
     "@types/chai": "^4.3.16",