diff --git a/packages/google-cloud-modelarmor/samples/package.json b/packages/google-cloud-modelarmor/samples/package.json
index 93db4fd6e3a..a177f8dfd5c 100644
--- a/packages/google-cloud-modelarmor/samples/package.json
+++ b/packages/google-cloud-modelarmor/samples/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^9.0.0",
-    "chai": "^4.2.0",
+    "chai": "^6.0.1",
     "mocha": "^8.0.0"
   }
 }