diff --git a/packages/google-cloud-oslogin/CHANGELOG.md b/packages/google-cloud-oslogin/CHANGELOG.md
index 1303910b83e..ff7bfecf259 100644
--- a/packages/google-cloud-oslogin/CHANGELOG.md
+++ b/packages/google-cloud-oslogin/CHANGELOG.md
@@ -4,6 +4,23 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/os-login?activeTab=versions
 
+## [1.0.0](https://www.github.com/googleapis/nodejs-os-login/compare/v0.3.3...v1.0.0) (2019-05-20)
+
+
+### ⚠ BREAKING CHANGES
+
+* upgrade engines field to >=8.10.0 (#184)
+
+### Bug Fixes
+
+* **deps:** update dependency google-gax to ^0.26.0 ([#182](https://www.github.com/googleapis/nodejs-os-login/issues/182)) ([c97e514](https://www.github.com/googleapis/nodejs-os-login/commit/c97e514))
+* **deps:** update dependency google-gax to v1 ([#191](https://www.github.com/googleapis/nodejs-os-login/issues/191)) ([5268691](https://www.github.com/googleapis/nodejs-os-login/commit/5268691))
+
+
+### Build System
+
+* upgrade engines field to >=8.10.0 ([#184](https://www.github.com/googleapis/nodejs-os-login/issues/184)) ([8b0866a](https://www.github.com/googleapis/nodejs-os-login/commit/8b0866a))
+
 ### [0.3.3](https://www.github.com/googleapis/nodejs-os-login/compare/v0.3.2...v0.3.3) (2019-04-30)
 
 
diff --git a/packages/google-cloud-oslogin/package.json b/packages/google-cloud-oslogin/package.json
index d3eefe2f197..cb7292a321d 100644
--- a/packages/google-cloud-oslogin/package.json
+++ b/packages/google-cloud-oslogin/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/os-login",
   "description": "Google Cloud OS Login API client for Node.js",
-  "version": "0.3.3",
+  "version": "1.0.0",
   "license": "Apache-2.0",
   "author": "Google Inc",
   "engines": {
diff --git a/packages/google-cloud-oslogin/samples/package.json b/packages/google-cloud-oslogin/samples/package.json
index 53c11ffabde..46638685d98 100644
--- a/packages/google-cloud-oslogin/samples/package.json
+++ b/packages/google-cloud-oslogin/samples/package.json
@@ -14,7 +14,7 @@
     "test": "mocha"
   },
   "dependencies": {
-    "@google-cloud/os-login": "^0.3.3"
+    "@google-cloud/os-login": "^1.0.0"
   },
   "devDependencies": {
     "chai": "^4.2.0",