diff --git a/example/lib/src/storybook/stories/composites/combobox_multi_select.dart b/example/lib/src/storybook/stories/composites/combobox_multi_select.dart
index 67e9cccf..cb2e6cc3 100644
--- a/example/lib/src/storybook/stories/composites/combobox_multi_select.dart
+++ b/example/lib/src/storybook/stories/composites/combobox_multi_select.dart
@@ -226,7 +226,6 @@ class _ComboboxMultiSelectStoryState extends State<ComboboxMultiSelectStory> {
                 ? Center(
                     child: MoonTag(
                       tagSize: MoonTagSize.xs,
-                      isUpperCase: false,
                       backgroundColor: context.moonColors!.bulma,
                       onTap: () => setState(() => _selectedOptions.clear()),
                       label: Text(
diff --git a/example/lib/src/storybook/stories/primitives/dropdown.dart b/example/lib/src/storybook/stories/primitives/dropdown.dart
index c93b4536..8abb6f70 100644
--- a/example/lib/src/storybook/stories/primitives/dropdown.dart
+++ b/example/lib/src/storybook/stories/primitives/dropdown.dart
@@ -195,7 +195,6 @@ class _DropdownStoryState extends State<DropdownStory> {
                       ? Center(
                           child: MoonTag(
                             tagSize: MoonTagSize.xs,
-                            isUpperCase: false,
                             backgroundColor: context.moonColors!.bulma,
                             onTap: () => setState(() => _availableChoices.updateAll((key, value) => false)),
                             label: Text(
diff --git a/example/lib/src/storybook/stories/primitives/tag.dart b/example/lib/src/storybook/stories/primitives/tag.dart
index 324d85c6..48ae79b3 100644
--- a/example/lib/src/storybook/stories/primitives/tag.dart
+++ b/example/lib/src/storybook/stories/primitives/tag.dart
@@ -85,11 +85,6 @@ class TagStory extends StatelessWidget {
       initial: true,
     );
 
-    final setUpperCaseKnob = context.knobs.boolean(
-      label: "isUpperCase",
-      description: "Use upper case text for MoonTag.",
-    );
-
     return Center(
       child: SingleChildScrollView(
         padding: const EdgeInsets.symmetric(vertical: 64.0, horizontal: 16.0),
@@ -97,7 +92,6 @@ class TagStory extends StatelessWidget {
           borderRadius: borderRadiusKnob != null ? BorderRadius.circular(borderRadiusKnob.toDouble()) : null,
           onTap: () {},
           tagSize: tagSizeKnob,
-          isUpperCase: setUpperCaseKnob,
           backgroundColor: backgroundColor,
           leading: showLeadingKnob
               ? Icon(
@@ -107,7 +101,7 @@ class TagStory extends StatelessWidget {
               : null,
           label: showLabelKnob
               ? Text(
-                  setUpperCaseKnob ? customLabelTextKnob.toUpperCase() : customLabelTextKnob,
+                  customLabelTextKnob,
                   style: TextStyle(color: textColor),
                 )
               : null,
diff --git a/lib/src/theme/tag/tag_size_properties.dart b/lib/src/theme/tag/tag_size_properties.dart
index 460ca6e0..298d3203 100644
--- a/lib/src/theme/tag/tag_size_properties.dart
+++ b/lib/src/theme/tag/tag_size_properties.dart
@@ -59,6 +59,7 @@ class MoonTagSizeProperties extends ThemeExtension<MoonTagSizeProperties> with D
       iconSizeValue: iconSizeValue ?? this.iconSizeValue,
       padding: padding ?? this.padding,
       textStyle: textStyle ?? this.textStyle,
+      // ignore: deprecated_member_use_from_same_package
       upperCaseTextStyle: upperCaseTextStyle ?? this.upperCaseTextStyle,
     );
   }
@@ -74,6 +75,7 @@ class MoonTagSizeProperties extends ThemeExtension<MoonTagSizeProperties> with D
       iconSizeValue: lerpDouble(iconSizeValue, other.iconSizeValue, t)!,
       padding: EdgeInsetsGeometry.lerp(padding, other.padding, t)!,
       textStyle: TextStyle.lerp(textStyle, other.textStyle, t)!,
+      // ignore: deprecated_member_use_from_same_package
       upperCaseTextStyle: TextStyle.lerp(upperCaseTextStyle, other.upperCaseTextStyle, t)!,
     );
   }
@@ -89,6 +91,7 @@ class MoonTagSizeProperties extends ThemeExtension<MoonTagSizeProperties> with D
       ..add(DoubleProperty("iconSizeValue", iconSizeValue))
       ..add(DiagnosticsProperty<EdgeInsetsGeometry>("padding", padding))
       ..add(DiagnosticsProperty<TextStyle>("textStyle", textStyle))
+      // ignore: deprecated_member_use_from_same_package
       ..add(DiagnosticsProperty<TextStyle>("upperCaseTextStyle", upperCaseTextStyle));
   }
 }
diff --git a/lib/src/widgets/tag/tag.dart b/lib/src/widgets/tag/tag.dart
index fcd2bc7f..18b4c8fc 100644
--- a/lib/src/widgets/tag/tag.dart
+++ b/lib/src/widgets/tag/tag.dart
@@ -70,7 +70,7 @@ class MoonTag extends StatelessWidget {
     @Deprecated(
       "Handle upper case text style properly at place of usage. This property will be removed in 1.0.0 release.",
     )
-    this.isUpperCase = true,
+    this.isUpperCase = false,
     this.borderRadius,
     this.backgroundColor,
     this.height,
@@ -153,7 +153,9 @@ class MoonTag extends StatelessWidget {
                 size: effectiveMoonTagSize.iconSizeValue,
               ),
               child: DefaultTextStyle(
+                // ignore: deprecated_member_use_from_same_package
                 style: isUpperCase
+                    // ignore: deprecated_member_use_from_same_package
                     ? effectiveMoonTagSize.upperCaseTextStyle.copyWith(color: effectiveTextColor)
                     : effectiveMoonTagSize.textStyle.copyWith(color: effectiveTextColor),
                 child: Row(