diff --git a/samples/package.json b/samples/package.json
index 726301d26..c21addefc 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -40,7 +40,7 @@
     "@google-cloud/bigquery": "^8.0.0",
     "@google-cloud/typeless-sample-bot": "^3.0.0",
     "@types/chai": "^4.2.16",
-    "chai": "^4.2.0",
+    "chai": "^6.0.0",
     "gts": "^6.0.0",
     "lru-cache": "9.1.2",
     "mocha": "^9.2.2",