diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0a68e3..aff6e0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,23 @@ All notable changes to Flow will be documented in this file.
 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).
 
+## [1.1.1] - 2025-10-30
+
+### Bug Fixes
+
+- **SwiftLint compliance**: Fixed `modifier_order` violation in LocationService initializer
+  - Corrected modifier order from `nonisolated override` to `override nonisolated`
+  - Ensures CI SwiftLint checks pass with `--strict` mode
+  - Follows Swift's modifier ordering rules as specified in Swift Language Guide
+
+### Documentation
+
+- **Improved clarity**: Removed subjective and exaggerated expressions from documentation
+  - Updated CoreConcepts.md for more objective technical descriptions
+  - Simplified Flow.md introduction for better clarity
+  - Improved README.md to focus on factual feature descriptions
+  - Enhanced professional tone across all documentation
+
 ## [1.1.0] - 2025-10-27
 
 ### Features
diff --git a/README.md b/README.md
index 3b97d5b..4988314 100644
--- a/README.md
+++ b/README.md
@@ -257,7 +257,7 @@ Add Flow to your `Package.swift`:
 
 ```swift
 dependencies: [
-    .package(url: "https://github.com/ViewFeature/Flow.git", from: "1.1.0")
+    .package(url: "https://github.com/ViewFeature/Flow.git", from: "1.1.1")
 ],
 targets: [
     .target(
@@ -276,7 +276,7 @@ targets: [
 
 - Select **File → Add Package Dependencies**
 - Enter the URL: `https://github.com/ViewFeature/Flow.git`
-- Select version: `1.1.0` or later
+- Select version: `1.1.1` or later
 
 **Recommended**: Add `-default-isolation MainActor` to your target's **Build Settings → Other Swift Flags**.
 
diff --git a/README_jp.md b/README_jp.md
index ef17fb7..35f6d6b 100644
--- a/README_jp.md
+++ b/README_jp.md
@@ -256,7 +256,7 @@ func handle() -> ActionHandler<Action, State, Void> {
 
 ```swift
 dependencies: [
-    .package(url: "https://github.com/ViewFeature/Flow.git", from: "1.1.0")
+    .package(url: "https://github.com/ViewFeature/Flow.git", from: "1.1.1")
 ],
 targets: [
     .target(
@@ -275,7 +275,7 @@ targets: [
 
 - **File → Add Package Dependencies**を選択
 - 以下のURLを入力：`https://github.com/ViewFeature/Flow.git`
-- バージョンを選択：`1.1.0`以降
+- バージョンを選択：`1.1.1`以降
 
 **推奨**: ターゲットの**Build Settings → Other Swift Flags**に`-default-isolation MainActor`を追加してください。