diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 703a4a5..b18b193 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -11,7 +11,7 @@ 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: ^1.0.6
 
 dev_dependencies:
   flutter_test:
diff --git a/pubspec.yaml b/pubspec.yaml
index 5eea011..8945a60 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,12 +9,12 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  protobuf: ^2.0.0
-  http: ^0.13.3
-  path_drawing: ^1.0.0
-  archive: ^3.1.2
+  protobuf: ^3.1.0
+  http: ^1.1.0
+  path_drawing: ^1.0.1
+  archive: ^3.4.6
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^1.0.4
+  flutter_lints: ^2.0.3