diff --git a/package.json b/package.json
index 2818f53..bc17441 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "yargs": "^17.0.1"
   },
   "devDependencies": {
-    "chai": "^4.2.0",
+    "chai": "^5.1.1",
     "chai-as-promised": "^7.1.1",
     "eslint": "^9.8.0",
     "eslint-config-google": "^0.14.0",