diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 31977be..913e96a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/rubykatzen/baseline
-    rev: v0.8.6
+    rev: v0.9.0
     hooks:
       - id: yamllint
       - id: pymarkdown
diff --git a/.pre-commit-config.yaml.example b/.pre-commit-config.yaml.example
index 642d5ea..74458e1 100644
--- a/.pre-commit-config.yaml.example
+++ b/.pre-commit-config.yaml.example
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/rubykatzen/baseline
-    rev: v0.8.6
+    rev: v0.9.0
     hooks:
       - id: yamllint
       - id: pymarkdown
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 994e8ff..dc67737 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 ## [Unreleased]
 
+## [v0.9.0] - 2026-08-12
+
+- chore(deps): bump rubocop-rails from 2.35.4 to 2.36.0 (#122)
+- chore(deps): bump rubocop from 1.88.0 to 1.89.0 (#123)
+- chore(deps): bump herb from 0.10.1 to 0.10.3 (#124)
+- ci: trust pull request title validation (#130)
+- ci: bootstrap trusted pull request validation (#129)
+- feat: validate conventional pull request titles (#128)
+
 ## [v0.8.6] - 2026-08-12
 
 - feat: add GitHub Copilot agent emoji
diff --git a/Gemfile.lock b/Gemfile.lock
index d5f07fd..5541b1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    rubykatzen-baseline (0.8.6)
+    rubykatzen-baseline (0.9.0)
       erb_lint (~> 0.9)
       herb (~> 0.10)
       rubocop (~> 1.88)
@@ -207,7 +207,7 @@ CHECKSUMS
   rubocop-performance (1.26.1) sha256=cd19b936ff196df85829d264b522fd4f98b6c89ad271fa52744a8c11b8f71834
   rubocop-rails (2.36.0) sha256=105a5f5b0001ff2ef28a3af90da50862464e0775e8d0016d599079c0ca408bdb
   ruby-progressbar (1.13.0) sha256=80fc9c47a9b640d6834e0dc7b3c94c9df37f08cb072b7761e4a71e22cff29b33
-  rubykatzen-baseline (0.8.6)
+  rubykatzen-baseline (0.9.0)
   securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
   smart_properties (1.17.0) sha256=f9323f8122e932341756ddec8e0ac9ec6e238408a7661508be99439ca6d6384b
   standard-custom (1.0.2) sha256=424adc84179a074f1a2a309bb9cf7cd6bfdb2b6541f20c6bf9436c0ba22a652b
diff --git a/README.md b/README.md
index f48aa4d..f5ede50 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ Include only the hooks relevant to your stack:
 ```yaml
 repos:
   - repo: https://github.com/rubykatzen/baseline
-    rev: v0.8.6
+    rev: v0.9.0
     hooks:
       - id: yamllint
       - id: pymarkdown
diff --git a/lib/baseline/version.rb b/lib/baseline/version.rb
index 48c4141..04cf9d5 100644
--- a/lib/baseline/version.rb
+++ b/lib/baseline/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Baseline
-  VERSION = "0.8.6"
+  VERSION = "0.9.0"
 end