diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05e7c7436e3..2eb013f027c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,23 @@
 
 [1]: https://www.npmjs.com/package/googleapis?activeTab=versions
 
+## [41.0.0](https://www.github.com/googleapis/google-api-nodejs-client/compare/v40.0.1...v41.0.0) (2019-07-11)
+
+
+### ⚠ BREAKING CHANGES
+
+* options when instantiating clients now expect correct `vx.x` format rather than failing `vx_x` format (effects only TypeScript).
+* auto generate libraries (#1759)
+
+### Bug Fixes
+
+* don't replace '.' with '_' in interface ([#1757](https://www.github.com/googleapis/google-api-nodejs-client/issues/1757)) ([3a183c2](https://www.github.com/googleapis/google-api-nodejs-client/commit/3a183c2))
+
+
+### Features
+
+* auto generate libraries ([#1759](https://www.github.com/googleapis/google-api-nodejs-client/issues/1759)) ([c726608](https://www.github.com/googleapis/google-api-nodejs-client/commit/c726608))
+
 ### [40.0.1](https://www.github.com/googleapis/google-api-nodejs-client/compare/v40.0.0...v40.0.1) (2019-07-02)
 
 
diff --git a/package.json b/package.json
index 878320e53bd..247ea665ca3 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   ],
   "repository": "googleapis/google-api-nodejs-client",
   "name": "googleapis",
-  "version": "40.0.1",
+  "version": "41.0.0",
   "scripts": {
     "pretest": "npm run compile",
     "prepare": "npm run compile",
diff --git a/samples/package.json b/samples/package.json
index 0d6e101218d..25665842ff6 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "express": "^4.16.4",
-    "googleapis": "^40.0.1",
+    "googleapis": "^41.0.0",
     "nconf": "^0.10.0",
     "open": "^6.3.0",
     "server-destroy": "^1.0.1",