diff --git a/package.json b/package.json
index 0a7d21d..d4c88c7 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "chai": ">=3.5.0",
-    "mocha": "<4.0.0"
+    "mocha": "<10.0.0"
   },
   "engines": {
     "node": ">=0.1.97"