diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 203e856..56e345f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: subosito/flutter-action@v2
         with:
-          flutter-version: '3.19.4'
+          flutter-version: '3.19.5'
           channel: 'stable'
       - name: Flutter Pub Get
         run: flutter pub get
@@ -43,7 +43,7 @@ jobs:
         run: sudo xcode-select -s '/Applications/Xcode_15.0.app/Contents/Developer'
       - uses: subosito/flutter-action@v2
         with:
-          flutter-version: '3.19.4'
+          flutter-version: '3.19.5'
           channel: 'stable'
       - name: Flutter Pub Get
         run: flutter pub get
diff --git a/README.ja.md b/README.ja.md
index 7f0995d..95b47cd 100644
--- a/README.ja.md
+++ b/README.ja.md
@@ -2,7 +2,7 @@
 
 flutterで毎回行っている作業や設定を予めテンプレート化したプロジェクトです。
 
-flutterのバージョンは3.19.4
+flutterのバージョンは3.19.5
 
 主な設定は以下のとおり。
 - ビルド設定(Debug or Release)ごとに、アプリ名・アプリID(Bundle Identifier、Application Id)を切り替えることができる
diff --git a/README.md b/README.md
index b6c46a0..060b97a 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 This project is a pre-template of the tasks and settings that are done every time in flutter.
 
-Flutter version is 3.19.4
+Flutter version is 3.19.5
 
 The main settings are as follows  
 - Switching the app name and app ID (Bundle Identifier, Application Id) for each build setting (Debug or Release).
diff --git a/pubspec.lock b/pubspec.lock
index e995564..3457fc3 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -331,5 +331,5 @@ packages:
     source: hosted
     version: "0.5.1"
 sdks:
-  dart: ">=3.3.2 <4.0.0"
+  dart: ">=3.3.3 <4.0.0"
   flutter: ">=3.3.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 0a4c0eb..ba87cfd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.57+57
 
 environment:
-  sdk: '>=3.3.2 <4.0.0'
+  sdk: '>=3.3.3 <4.0.0'
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions