diff --git a/CHANGES.md b/CHANGES.md
index f93436ac6f0..81278f55e26 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [0.91.0](https://github.com/googleapis/google-api-go-client/compare/v0.90.0...v0.91.0) (2022-08-01)
+
+
+### Features
+
+* **all:** auto-regenerate discovery clients, refs [#1639](https://github.com/googleapis/google-api-go-client/issues/1639) [#1637](https://github.com/googleapis/google-api-go-client/issues/1637)
+
 ## [0.90.0](https://github.com/googleapis/google-api-go-client/compare/v0.89.0...v0.90.0) (2022-07-28)
 
 
diff --git a/internal/version.go b/internal/version.go
index ed9d02a51b3..046c62ec18f 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -5,4 +5,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "0.90.0"
+const Version = "0.91.0"