diff --git a/example/pubspec.lock b/example/pubspec.lock
index 31e424f..1f58269 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -42,7 +42,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -56,7 +56,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -80,7 +80,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -101,7 +101,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -113,7 +113,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -148,20 +148,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
diff --git a/lib/chip_display/multi_select_chip_display.dart b/lib/chip_display/multi_select_chip_display.dart
index a90a287..b5a3583 100644
--- a/lib/chip_display/multi_select_chip_display.dart
+++ b/lib/chip_display/multi_select_chip_display.dart
@@ -96,7 +96,7 @@ class MultiSelectChipDisplay<V> extends StatelessWidget {
               height: height ?? MediaQuery.of(context).size.height * 0.08,
               child: scrollBar != null
                   ? Scrollbar(
-                      isAlwaysShown: scrollBar!.isAlwaysShown,
+                      thumbVisibility: scrollBar!.isAlwaysShown,
                       controller: _scrollController,
                       child: ListView.builder(
                         controller: _scrollController,
diff --git a/lib/chip_field/multi_select_chip_field.dart b/lib/chip_field/multi_select_chip_field.dart
index 1f420ce..fea835e 100644
--- a/lib/chip_field/multi_select_chip_field.dart
+++ b/lib/chip_field/multi_select_chip_field.dart
@@ -270,7 +270,7 @@ class __MultiSelectChipFieldViewState<V>
       _selectedValues.addAll(widget.initialValue!);
     }
     if (widget.scrollControl != null && widget.scroll)
-      WidgetsBinding.instance!.addPostFrameCallback((_) => _scrollToPosition());
+      WidgetsBinding.instance.addPostFrameCallback((_) => _scrollToPosition());
   }
 
   _scrollToPosition() {
@@ -379,7 +379,7 @@ class __MultiSelectChipFieldViewState<V>
                           MediaQuery.of(context).size.height * 0.08,
                       child: widget.scrollBar != null
                           ? Scrollbar(
-                              isAlwaysShown: widget.scrollBar!.isAlwaysShown,
+                              thumbVisibility: widget.scrollBar!.isAlwaysShown,
                               controller: _scrollController,
                               child: ListView.builder(
                                 controller: _scrollController,
diff --git a/pubspec.lock b/pubspec.lock
index e4e496b..4714166 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -42,14 +42,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -73,7 +73,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -87,7 +87,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -99,7 +99,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -134,20 +134,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"