diff --git a/pubspec.yaml b/pubspec.yaml
index d69c4ca0f..82fe2e611 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -10,7 +10,7 @@ description: A new Flutter application.
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.17.3 <3.0.0"
 
 dependencies:
   flutter:
@@ -18,7 +18,7 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^0.1.2
+  cupertino_icons: ^1.0.5
 
 dev_dependencies:
   flutter_test: