diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 928566934..9695e0ec5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "9.0.0"
+  ".": "9.1.0"
 }
diff --git a/docs/releasenotes/changelog.md b/docs/releasenotes/changelog.md
index d97607e30..e2c8a4ded 100644
--- a/docs/releasenotes/changelog.md
+++ b/docs/releasenotes/changelog.md
@@ -1,5 +1,18 @@
 # Release notes
 
+## [9.1.0](https://github.com/MarketSquare/robotframework-robocop/compare/v9.0.0...v9.1.0) (2026-08-31)
+
+
+### Features
+
+* register deprecated rules so they are recognized in configuration ([#1928](https://github.com/MarketSquare/robotframework-robocop/issues/1928)) ([86b7b95](https://github.com/MarketSquare/robotframework-robocop/commit/86b7b956f983db4647cae71c2881d821250be662))
+
+
+### Refactoring
+
+* name fix-loop convergence limits ([#1931](https://github.com/MarketSquare/robotframework-robocop/issues/1931)) ([8c341a9](https://github.com/MarketSquare/robotframework-robocop/commit/8c341a9731ebcc4eecf2538aecd7564a2f9c4690))
+* reuse RuleSeverity.parser for severity thresholds ([#1930](https://github.com/MarketSquare/robotframework-robocop/issues/1930)) ([a2886cb](https://github.com/MarketSquare/robotframework-robocop/commit/a2886cb4cebf357f253ff8266cc8ff213e468251))
+
 ## [9.0.0](https://github.com/MarketSquare/robotframework-robocop/compare/v8.8.0...v9.0.0) (2026-08-21)
 
 More detailed notes regarding 9.0.0 [here](9.0.0.md).
diff --git a/src/robocop/__init__.py b/src/robocop/__init__.py
index 9cc95bf0a..2ad376e30 100644
--- a/src/robocop/__init__.py
+++ b/src/robocop/__init__.py
@@ -1 +1 @@
-__version__ = "9.0.0"  # x-release-please-version
+__version__ = "9.1.0"  # x-release-please-version