diff --git a/package.json b/package.json
index d865cbd..30df890 100644
--- a/package.json
+++ b/package.json
@@ -85,8 +85,8 @@
     "rollup-plugin-css-only": "^4.5.2",
     "shelljs": "^0.8.5",
     "shx": "^0.3.4",
-    "sinon": "^17.0.1",
-    "sinon-chai": "^3.7.0",
+    "sinon": "^18.0.0",
+    "sinon-chai": "^4.0.0",
     "typescript": "^5.3.3"
   },
   "dependencies": {