diff --git a/CHANGES.md b/CHANGES.md
index 35f9a136665..87eabada0db 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [0.78.0](https://github.com/googleapis/google-api-go-client/compare/v0.77.0...v0.78.0) (2022-05-03)
+
+
+### Features
+
+* **all:** auto-regenerate discovery clients, refs [#1530](https://github.com/googleapis/google-api-go-client/issues/1530) [#1527](https://github.com/googleapis/google-api-go-client/issues/1527)
+
 ## [0.77.0](https://github.com/googleapis/google-api-go-client/compare/v0.76.0...v0.77.0) (2022-04-29)
 
 
diff --git a/internal/version.go b/internal/version.go
index a69b66d7dd1..da7c6a545c4 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 = "0.77.0"
+const Version = "0.78.0"