diff --git a/discoveryengine/package.json b/discoveryengine/package.json
index b282419545b..2acd5512122 100644
--- a/discoveryengine/package.json
+++ b/discoveryengine/package.json
@@ -4,7 +4,7 @@
   "license": "Apache-2.0",
   "author": "Google LLC",
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=20.0.0"
   },
   "files": [
     "*.js"
@@ -13,11 +13,11 @@
     "test": "mocha test/*.js --timeout 600000"
   },
   "dependencies": {
-    "@google-cloud/discoveryengine": "^1.0.0",
+    "@google-cloud/discoveryengine": "^2.0.0",
     "p-queue": "^8.0.0"
   },
   "devDependencies": {
-    "chai": "^4.5.0",
+    "chai": "^6.0.0",
     "mocha": "^10.0.0",
     "uuid": "^11.1.1"
   }