diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 099626f..4fcfdf7 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.8.0"
+  ".": "1.9.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d67d2d..0336700 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 
 This changelog is automatically maintained by [Release Please](https://github.com/googleapis/release-please) using [Conventional Commits](https://www.conventionalcommits.org/). Do not edit the versioned sections manually.
 
+## [1.9.0](https://github.com/locus313/github-api-scripts/compare/v1.8.0...v1.9.0) (2026-11-12)
+
+
+### Features
+
+* explain billing products and show seats in billing report ([#69](https://github.com/locus313/github-api-scripts/issues/69)) ([37d99da](https://github.com/locus313/github-api-scripts/commit/37d99da5304470d2ae0a178f449e894d8f8a1323))
+
 ## [1.8.0](https://github.com/locus313/github-api-scripts/compare/v1.7.0...v1.8.0) (2026-11-12)
 
 
diff --git a/VERSION b/VERSION
index 27f9cd3..f8e233b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.0
+1.9.0