diff --git a/package.json b/package.json
index c5a0b8857..9425791d7 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "async-mqtt": "~2.6.3",
-    "chai": "^4.3.10",
+    "chai": "~4.3.10",
     "coveralls": "~3.1.0",
     "eslint": "~7.5.0",
     "eslint-config-tamia": "~7.2.5",