diff --git a/package.json b/package.json
index 92776bd..69946f7 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "license": "APACHE-2.0",
   "dependencies": {
     "@slack/web-api": "^7.3.4",
-    "chai": "^5.2.1",
+    "chai": "^6.0.0",
     "form-data": "^4.0.4",
     "mocha": "^11.7.1",
     "mocha-junit-reporter": "^2.2.1",