diff --git a/CHANGELOG.md b/CHANGELOG.md
index b30787f..7a55c86 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.26.5] - 2026-10-23
+
+### Changed
+- Upgrade vendored TypeScript Go port (tsc/) to [`a91e93821fea`](https://github.com/microsoft/TypeScript/commit/a91e93821feafd081641f9f5d161eba626d0b2ce)
+
 ## [0.26.4] - 2026-10-23
 
 ### Changed
@@ -473,6 +478,7 @@ Together these keep genuine import-time changes flagged while eliminating the la
 - Multi-stage Docker build
 - Automated vendor upgrade workflow
 
+[0.26.5]: https://github.com/gooddata/gooddata-goodchanges/compare/v0.26.4...v0.26.5
 [0.26.4]: https://github.com/gooddata/gooddata-goodchanges/compare/v0.26.3...v0.26.4
 [0.26.3]: https://github.com/gooddata/gooddata-goodchanges/compare/v0.26.2...v0.26.3
 [0.26.2]: https://github.com/gooddata/gooddata-goodchanges/compare/v0.26.1...v0.26.2
diff --git a/TSGO_COMMIT b/TSGO_COMMIT
index a7af551..843639b 100644
--- a/TSGO_COMMIT
+++ b/TSGO_COMMIT
@@ -1 +1 @@
-7e5d1c1c1de408086e2dd74cb42d5b9c6ba77461
\ No newline at end of file
+a91e93821feafd081641f9f5d161eba626d0b2ce
\ No newline at end of file
diff --git a/VERSION b/VERSION
index c5a2973..00b2de6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.26.4
\ No newline at end of file
+0.26.5
\ No newline at end of file