diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9293e60..8b17111 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [unreleased]
+## [1.9.0] - 2026-07-09
 
 ### Added
 
@@ -224,7 +224,8 @@ and this project adheres to
 
 ## [1.0.0] - 2024-04-08
 
-[unreleased]: https://github.com/rackslab/RFL/compare/v1.8.0...HEAD
+[unreleased]: https://github.com/rackslab/RFL/compare/v1.9.0...HEAD
+[1.9.0]: https://github.com/rackslab/RFL/releases/tag/v1.9.0
 [1.8.0]: https://github.com/rackslab/RFL/releases/tag/v1.8.0
 [1.7.0]: https://github.com/rackslab/RFL/releases/tag/v1.7.0
 [1.6.0]: https://github.com/rackslab/RFL/releases/tag/v1.6.0
diff --git a/pyproject.toml b/pyproject.toml
index 8626a61..5f7e7d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/authentication/pyproject.toml b/src/authentication/pyproject.toml
index a585a26..c1f2aef 100644
--- a/src/authentication/pyproject.toml
+++ b/src/authentication/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.authentication"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: authentication package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/build/pyproject.toml b/src/build/pyproject.toml
index f1639fe..87fa8bf 100644
--- a/src/build/pyproject.toml
+++ b/src/build/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.build"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: build package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/core/pyproject.toml b/src/core/pyproject.toml
index a38bc81..a69a789 100644
--- a/src/core/pyproject.toml
+++ b/src/core/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.core"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: core package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/log/pyproject.toml b/src/log/pyproject.toml
index 40a3aee..2b59b99 100644
--- a/src/log/pyproject.toml
+++ b/src/log/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.log"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: log package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/permissions/pyproject.toml b/src/permissions/pyproject.toml
index a91d052..0990998 100644
--- a/src/permissions/pyproject.toml
+++ b/src/permissions/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.permissions"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: permissions package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/settings/pyproject.toml b/src/settings/pyproject.toml
index 9f393e2..4f65855 100644
--- a/src/settings/pyproject.toml
+++ b/src/settings/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.settings"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: settings package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"
diff --git a/src/web/pyproject.toml b/src/web/pyproject.toml
index 6d173ee..ef10d59 100644
--- a/src/web/pyproject.toml
+++ b/src/web/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "RFL.web"
-version = "1.8.0"
+version = "1.9.0"
 description = "Rackslab Foundation Library: web package"
 license = "LGPL-3.0-or-later"
 requires-python = ">=3.6"