diff --git a/lib/src/builders/synthetic_builder.dart b/lib/src/builders/synthetic_builder.dart
index 9d5c1b7..82e0fc6 100755
--- a/lib/src/builders/synthetic_builder.dart
+++ b/lib/src/builders/synthetic_builder.dart
@@ -30,7 +30,9 @@ abstract class SyntheticBuilder<S extends SyntheticInput> implements Builder {
     this.header = '',
     this.footer = '',
     Formatter? formatter,
-  })  : formatter = formatter ?? DartFormatter().format,
+  })  : formatter = formatter ??
+            DartFormatter(languageVersion: DartFormatter.latestLanguageVersion)
+                .format,
         syntheticInput = SyntheticInput.instance<S>();
 
   /// Input files. Specify the complete path relative to the
@@ -123,8 +125,8 @@ abstract class SyntheticBuilder<S extends SyntheticInput> implements Builder {
       // Read library.
       final library = await buildStep.resolver.libraryFor(assetId);
       // Get dependencies
-      for (final import in library.libraryImports) {
-        final uri = Uri.parse(import.uri.toString());
+      for (final import in library.importedLibraries) {
+        final uri = Uri.parse(import.source.uri.toString());
         // Skip if uri scheme is not "package" or "asset".
         if (uri.scheme == 'package' ||
             uri.scheme == 'asset' ||
diff --git a/pubspec.yaml b/pubspec.yaml
index e8d8149..0250bcc 100755
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -13,23 +13,22 @@ topics:
   - build-runner
   - source-code-generator
 
-
-
 environment:
-  sdk: '^3.0.0'
+  sdk: '^3.6.0'
 
 dependencies:
-  analyzer: ^6.4.1
+  analyzer: ^7.0.0
   build: ^2.4.1
-  build_runner: ^2.4.9
-  dart_style: ^2.3.6
+  build_runner: ^2.4.14
+  dart_style: ^3.0.1
   directed_graph: ^0.4.3
   exception_templates: ^0.3.0
   file: ^7.0.0
   glob: ^2.1.2
   lazy_memo: ^0.2.3
   path: ^1.9.0
-  source_gen: ^1.5.0
+  source_gen: ^2.0.0
+
 #dependency_overrides:
 # source_gen:
 #   git: