diff --git a/packages/hardhat-zksync-solc/package.json b/packages/hardhat-zksync-solc/package.json
index 351ece04d..c830dfff8 100644
--- a/packages/hardhat-zksync-solc/package.json
+++ b/packages/hardhat-zksync-solc/package.json
@@ -41,7 +41,7 @@
     "undici": "^6.18.2",
     "debug": "^4.3.5",
     "semver": "^7.6.2",
-    "sinon": "^18.0.0",
+    "sinon": "^19.0.1",
     "sinon-chai": "^3.7.0",
     "proper-lockfile": "^4.1.2"
   },