diff --git a/.github/workflows/run_ci.yml b/.github/workflows/run_ci.yml
index f751e24..e777aa2 100644
--- a/.github/workflows/run_ci.yml
+++ b/.github/workflows/run_ci.yml
@@ -16,8 +16,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-latest
-            dart: 3.0.5
           - os: ubuntu-latest
             dart: stable
           - os: ubuntu-latest
diff --git a/auth/pubspec.yaml b/auth/pubspec.yaml
index 589d3b2..3461319 100644
--- a/auth/pubspec.yaml
+++ b/auth/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.9.1
 publish_to: none
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dependencies:
   meta:
diff --git a/auth_browser/pubspec.yaml b/auth_browser/pubspec.yaml
index c8c491b..285edb3 100644
--- a/auth_browser/pubspec.yaml
+++ b/auth_browser/pubspec.yaml
@@ -6,7 +6,7 @@ publish_to: none
 #author: alex <email@example.com>
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dependencies:
   tekartik_firebase_auth:
diff --git a/auth_jwt/pubspec.yaml b/auth_jwt/pubspec.yaml
index e0397f6..4932a91 100644
--- a/auth_jwt/pubspec.yaml
+++ b/auth_jwt/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.4.0
 publish_to: none
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dependencies:
   path: ^1.6.0
diff --git a/auth_local/pubspec.yaml b/auth_local/pubspec.yaml
index 3fc90c5..f5a14ee 100644
--- a/auth_local/pubspec.yaml
+++ b/auth_local/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.10.1
 publish_to: none
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dependencies:
   uuid: '>=1.0.0'
diff --git a/auth_rest/lib/src/auth_rest.dart b/auth_rest/lib/src/auth_rest.dart
index ace3b9c..a965515 100644
--- a/auth_rest/lib/src/auth_rest.dart
+++ b/auth_rest/lib/src/auth_rest.dart
@@ -497,7 +497,7 @@ class AuthRestImpl with AuthMixin, AuthRestMixin implements AuthRest {
             provider: EmailPasswordAuthProviderRest(),
             uid: response.localId!));
     // ignore: deprecated_member_use
-    _appRest!.client =
+    _appRest.client =
         EmailPasswordLoggedInClient(userCredential: userCredential);
     return UserCredentialEmailPasswordRestImpl(
         response,
diff --git a/auth_rest/pubspec.yaml b/auth_rest/pubspec.yaml
index 3d04a27..4f6c736 100644
--- a/auth_rest/pubspec.yaml
+++ b/auth_rest/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.9.1
 publish_to: none
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dependencies:
   uuid: '>=1.0.0'
diff --git a/auth_test/pubspec.yaml b/auth_test/pubspec.yaml
index de4e748..c7af60a 100644
--- a/auth_test/pubspec.yaml
+++ b/auth_test/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.9.0
 publish_to: none
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dependencies:
   meta:
diff --git a/repo_support/pubspec.yaml b/repo_support/pubspec.yaml
index c691ee0..4ef9d6a 100644
--- a/repo_support/pubspec.yaml
+++ b/repo_support/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.2.0
 publish_to: none
 
 environment:
-  sdk: '>=3.0.0 <4.0.0'
+  sdk: '>=3.4.0-0 <4.0.0'
 
 dev_dependencies:
   path:
diff --git a/repo_support/test/gen_test.dart b/repo_support/test/gen_test.dart
index 975f554..7d15bef 100644
--- a/repo_support/test/gen_test.dart
+++ b/repo_support/test/gen_test.dart
@@ -1,4 +1,6 @@
 @TestOn('vm')
+library;
+
 import 'dart:io';
 
 import 'package:fs_shim/utils/io/copy.dart';