chore: bump version to 1.9.1

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## [1.9.1] - 2026-05-12
+
+### Fixed
+- fix: skip browser proxy tests (#476) (3cbcf22)
+- fix: allow bound methods in entrypoint() registration (#474) (932db42)
+- fix: update Discord invite link to strands community (#470) (eddc27c)
+- fix: remove double-base64 encoding in upload_file/download_file (#458) (#464) (9831602)
+
+### Documentation
+- docs: add AGENTS.md and testing anti-patterns section (#465) (8695aa9)
+
+### Other Changes
+- Update DP APIs to support namespace re-design (#449) (691a1fb)
+- chore: update CP APIs to support namespace re-design (#450) (23fd7dc)
+- fix(runtime): distinguish request parse errors from handler JSON errors (#472) (2e8a50a)
+
 ## [1.9.0] - 2026-05-07
 
 ### Added

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "bedrock-agentcore"
-version = "1.9.0"
+version = "1.9.1"
 description = "An SDK for using Bedrock AgentCore"
 readme = "README.md"
 requires-python = ">=3.10"