diff --git a/CHANGELOG.md b/CHANGELOG.md
index 51df28fd..a75f085f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [2.16.0](https://github.com/googleapis/nodejs-dialogflow-cx/compare/v2.15.0...v2.16.0) (2022-04-21)
+
+
+### Features
+
+* added data format specification for export agent ([361e7d9](https://github.com/googleapis/nodejs-dialogflow-cx/commit/361e7d9d1f596a6280f07a1ce20456195a943d7a))
+* added data format specification for export agent ([361e7d9](https://github.com/googleapis/nodejs-dialogflow-cx/commit/361e7d9d1f596a6280f07a1ce20456195a943d7a))
+* added page in TestConfig ([7adaf67](https://github.com/googleapis/nodejs-dialogflow-cx/commit/7adaf6735cbef19d38e1288fd40ea27cf595b20f))
+* added page in TestConfig ([#239](https://github.com/googleapis/nodejs-dialogflow-cx/issues/239)) ([283c389](https://github.com/googleapis/nodejs-dialogflow-cx/commit/283c389cc220b9f192f15822ef2d1e38f35d6103))
+* added support for locking an agent for changes ([361e7d9](https://github.com/googleapis/nodejs-dialogflow-cx/commit/361e7d9d1f596a6280f07a1ce20456195a943d7a))
+* added support for locking an agent for changes ([361e7d9](https://github.com/googleapis/nodejs-dialogflow-cx/commit/361e7d9d1f596a6280f07a1ce20456195a943d7a))
+
 ## [2.15.0](https://github.com/googleapis/nodejs-dialogflow-cx/compare/v2.14.0...v2.15.0) (2022-01-19)
 
 
diff --git a/package.json b/package.json
index 399abd4d..22c20315 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@google-cloud/dialogflow-cx",
-  "version": "2.15.0",
+  "version": "2.16.0",
   "description": "Cx client for Node.js",
   "repository": "googleapis/nodejs-dialogflow-cx",
   "license": "Apache-2.0",
diff --git a/samples/package.json b/samples/package.json
index 7474685a..9dfefdf0 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -13,7 +13,7 @@
     "test": "c8 mocha --timeout 600000 test/*.js"
   },
   "dependencies": {
-    "@google-cloud/dialogflow-cx": "^2.14.0",
+    "@google-cloud/dialogflow-cx": "^2.16.0",
     "uuid": "^8.3.1"
   },
   "devDependencies": {