diff --git a/packages/go_router_builder/CHANGELOG.md b/packages/go_router_builder/CHANGELOG.md
index 9ace42f1ed7..895a4e5536a 100644
--- a/packages/go_router_builder/CHANGELOG.md
+++ b/packages/go_router_builder/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 4.1.1
+
+- Allow `analyzer: '>=7.4.0 <9.0.0'`.
+- Allow `build: '>=3.0.0 <5.0.0'`.
+- Allow `source_gen: '>=3.1.0 <5.0.0'`.
+
 ## 4.1.0
 
 - Adds support for classes that support fromJson/toJson. [#117261](https://github.com/flutter/flutter/issues/117261)
diff --git a/packages/go_router_builder/lib/src/route_config.dart b/packages/go_router_builder/lib/src/route_config.dart
index 24bab43cfdc..3f53838891a 100644
--- a/packages/go_router_builder/lib/src/route_config.dart
+++ b/packages/go_router_builder/lib/src/route_config.dart
@@ -623,7 +623,7 @@ abstract class RouteBaseConfig {
   }) {
     assert(!reader.isNull, 'reader should not be null');
     final InterfaceType type = reader.objectValue.type! as InterfaceType;
-    final String typeName = type.element.name;
+    final String typeName = type.element.displayName;
 
     if (isAncestorRelative && typeName == 'TypedGoRoute') {
       throw InvalidGenerationSourceError(
@@ -942,7 +942,7 @@ $routeDataClassName.$dataConvertionFunctionName(
 String _enumMapConst(InterfaceType type) {
   assert(type.isEnum);
 
-  final String enumName = type.element.name;
+  final String enumName = type.element.displayName;
 
   final StringBuffer buffer = StringBuffer('const ${enumMapName(type)} = {');
 
diff --git a/packages/go_router_builder/lib/src/type_helpers.dart b/packages/go_router_builder/lib/src/type_helpers.dart
index ed21b1f68be..2bc4fb23eee 100644
--- a/packages/go_router_builder/lib/src/type_helpers.dart
+++ b/packages/go_router_builder/lib/src/type_helpers.dart
@@ -224,10 +224,11 @@ String compareField(
 }
 
 /// Gets the name of the `const` map generated to help encode [Enum] types.
-String enumMapName(InterfaceType type) => '_\$${type.element.name}EnumMap';
+String enumMapName(InterfaceType type) =>
+    '_\$${type.element.displayName}EnumMap';
 
 /// Gets the name of the `const` map generated to help encode [Json] types.
-String jsonMapName(InterfaceType type) => type.element.name;
+String jsonMapName(InterfaceType type) => type.element.displayName;
 
 String _stateValueAccess(
   FormalParameterElement element,
@@ -302,8 +303,10 @@ class _TypeHelperBigInt extends _TypeHelperWithHelper {
       );
 
   @override
-  bool _matchesType(DartType type) =>
-      const TypeChecker.fromRuntime(BigInt).isAssignableFromType(type);
+  bool _matchesType(DartType type) => const TypeChecker.typeNamed(
+    BigInt,
+    inSdk: true,
+  ).isAssignableFromType(type);
 }
 
 class _TypeHelperBool extends _TypeHelperWithHelper {
@@ -342,8 +345,10 @@ class _TypeHelperDateTime extends _TypeHelperWithHelper {
       );
 
   @override
-  bool _matchesType(DartType type) =>
-      const TypeChecker.fromRuntime(DateTime).isAssignableFromType(type);
+  bool _matchesType(DartType type) => const TypeChecker.typeNamed(
+    DateTime,
+    inSdk: true,
+  ).isAssignableFromType(type);
 }
 
 class _TypeHelperDouble extends _TypeHelperWithHelper {
@@ -472,14 +477,17 @@ class _TypeHelperExtensionType extends _TypeHelper {
         representationType.isDartCoreNum ||
         representationType.isDartCoreBool ||
         representationType.isEnum ||
-        const TypeChecker.fromRuntime(
+        const TypeChecker.typeNamed(
           BigInt,
+          inSdk: true,
         ).isAssignableFromType(representationType) ||
-        const TypeChecker.fromRuntime(
+        const TypeChecker.typeNamed(
           DateTime,
+          inSdk: true,
         ).isAssignableFromType(representationType) ||
-        const TypeChecker.fromRuntime(
+        const TypeChecker.typeNamed(
           Uri,
+          inSdk: true,
         ).isAssignableFromType(representationType);
   }
 }
@@ -566,7 +574,7 @@ class _TypeHelperUri extends _TypeHelperWithHelper {
 
   @override
   bool _matchesType(DartType type) =>
-      const TypeChecker.fromRuntime(Uri).isAssignableFromType(type);
+      const TypeChecker.typeNamed(Uri, inSdk: true).isAssignableFromType(type);
 }
 
 class _TypeHelperIterable extends _TypeHelperWithHelper {
@@ -606,16 +614,18 @@ class _TypeHelperIterable extends _TypeHelperWithHelper {
       // get correct type for iterable
       String iterableCaster = '';
       String fallBack = '';
-      if (const TypeChecker.fromRuntime(
+      if (const TypeChecker.typeNamed(
         List,
+        inSdk: true,
       ).isAssignableFromType(parameterElement.type)) {
         iterableCaster += '.toList()';
         if (!parameterElement.type.isNullableType &&
             !parameterElement.hasDefaultValue) {
           fallBack = '?? const []';
         }
-      } else if (const TypeChecker.fromRuntime(
+      } else if (const TypeChecker.typeNamed(
         Set,
+        inSdk: true,
       ).isAssignableFromType(parameterElement.type)) {
         iterableCaster += '.toSet()';
         if (!parameterElement.type.isNullableType &&
@@ -656,8 +666,10 @@ $fieldName$nullAwareAccess.map((e) => e.toString()).toList()''';
   }
 
   @override
-  bool _matchesType(DartType type) =>
-      const TypeChecker.fromRuntime(Iterable).isAssignableFromType(type);
+  bool _matchesType(DartType type) => const TypeChecker.typeNamed(
+    Iterable,
+    inSdk: true,
+  ).isAssignableFromType(type);
 
   @override
   String _compare(String value1, String value2) =>
@@ -783,10 +795,10 @@ class _TypeHelperJson extends _TypeHelperWithHelper {
     }
 
     final FunctionType functionType = secondParam.type as FunctionType;
-    if (functionType.parameters.length != 1 ||
+    if (functionType.formalParameters.length != 1 ||
         functionType.returnType.getDisplayString() !=
-            type.element.typeParameters.first.getDisplayString() ||
-        functionType.parameters[0].type.getDisplayString() != 'Object?') {
+            type.element.typeParameters.first.displayName ||
+        functionType.formalParameters[0].type.getDisplayString() != 'Object?') {
       throw InvalidGenerationSourceError(
         'The parameter type '
         '`${type.getDisplayString(withNullability: false)}` not have a supported fromJson definition.',
diff --git a/packages/go_router_builder/pubspec.yaml b/packages/go_router_builder/pubspec.yaml
index f25a19ef95f..5665f5e9243 100644
--- a/packages/go_router_builder/pubspec.yaml
+++ b/packages/go_router_builder/pubspec.yaml
@@ -2,7 +2,7 @@ name: go_router_builder
 description: >-
   A builder that supports generated strongly-typed route helpers for
   package:go_router
-version: 4.1.0
+version: 4.1.1
 repository: https://github.com/flutter/packages/tree/main/packages/go_router_builder
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+go_router_builder%22
 
@@ -11,14 +11,14 @@ environment:
   flutter: ">=3.29.0"
 
 dependencies:
-  analyzer: ">=7.4.0 <8.0.0"
+  analyzer: ">=7.4.0 <9.0.0"
   async: ^2.8.0
-  build: ^3.0.0
+  build: ">=3.0.0 <5.0.0"
   build_config: ^1.0.0
   collection: ^1.14.0
   meta: ^1.7.0
   path: ^1.8.0
-  source_gen: ^3.0.0
+  source_gen: ">=3.1.0 <5.0.0"
   source_helper: ^1.3.4
 
 dev_dependencies: