diff --git a/package.json b/package.json
index 8700027..de7f8c3 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "type": "module",
   "dependencies": {
     "@slack/bolt": "^4.7.0",
-    "chai": "^4.3.10",
+    "chai": "^6.2.2",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
     "fs": "^0.0.1-security",