diff --git a/src/Semi.Avalonia/Controls/Label.axaml b/src/Semi.Avalonia/Controls/Label.axaml
index b6e1ace..a6dad6e 100644
--- a/src/Semi.Avalonia/Controls/Label.axaml
+++ b/src/Semi.Avalonia/Controls/Label.axaml
@@ -173,6 +173,7 @@
         <Setter Property="VerticalContentAlignment" Value="Center" />
         <Setter Property="Padding" Value="{DynamicResource LabelTagSmallPadding}" />
         <Setter Property="FontSize" Value="{DynamicResource LabelTagFontSize}" />
+        <Setter Property="FontWeight" Value="{DynamicResource LabelTagFontWeight}" />
         <Setter Property="Template">
             <ControlTemplate TargetType="Label">
                 <ContentPresenter
diff --git a/src/Semi.Avalonia/Themes/Shared/Label.axaml b/src/Semi.Avalonia/Themes/Shared/Label.axaml
index f4682cc..919c719 100644
--- a/src/Semi.Avalonia/Themes/Shared/Label.axaml
+++ b/src/Semi.Avalonia/Themes/Shared/Label.axaml
@@ -5,6 +5,7 @@
     <x:Double x:Key="LabelTagSmallHeight">20</x:Double>
     <x:Double x:Key="LabelTagLargeHeight">24</x:Double>
     <StaticResource x:Key="LabelTagFontSize" ResourceKey="SemiFontSizeSmall" />
+    <StaticResource x:Key="LabelTagFontWeight" ResourceKey="SemiFontWeightRegular" />
     <StaticResource x:Key="LabelTagSquareCornerRadius" ResourceKey="SemiBorderRadiusSmall" />
     <StaticResource x:Key="LabelTagCircleCornerRadius" ResourceKey="SemiBorderRadiusFull" />
 </ResourceDictionary>
\ No newline at end of file