diff --git a/pubspec.lock b/pubspec.lock
index 0a225e940..7c001e0e3 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -915,5 +915,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.6.0 <4.0.0"
-  flutter: ">=3.24.0"
+  dart: ">=3.6.1 <4.0.0"
+  flutter: ">=3.27.3"
diff --git a/pubspec.yaml b/pubspec.yaml
index 14795e8b7..3689f6485 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -24,8 +24,8 @@ issue_tracker: https://github.com/sensuikan1973/pedax/issues
 version: 6.75.0+173
 
 environment: # See: https://dart.dev/tools/pub/pubspec#sdk-constraints
-  sdk: ">=3.3.0 <4.0.0"
-  flutter: ^3.19.1 # See: https://flutter.dev/docs/development/tools/sdk/releases
+  sdk: ">=3.6.1 <4.0.0"
+  flutter: ^3.27.3 # See: https://flutter.dev/docs/development/tools/sdk/releases
 
 dependencies:
   crypto: ^3.0.6