diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6dec04af..6b508463 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [1.9.0](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/compare/v1.8.1...v1.9.0) (2024-04-16)
+
+
+### Features
+
+* add support for a lazy refresh ([#772](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/issues/772)) ([931150f](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/commit/931150f492cb461cf623a9bbafae6f704b9c5a36)), closes [#770](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/issues/770)
+
+
+### Bug Fixes
+
+* return a friendly error if the dialer is closed ([#766](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/issues/766)) ([d1c13e0](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/commit/d1c13e039a29ccbc085e2d3ca8451f83825e8d32))
+
 ## [1.8.1](https://github.com/GoogleCloudPlatform/cloud-sql-go-connector/compare/v1.8.0...v1.8.1) (2024-03-12)
 
 
diff --git a/version.txt b/version.txt
index a8fdfda1..f8e233b2 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.8.1
+1.9.0