diff --git a/src/BootstrapBlazor/Components/Card/Card.razor.cs b/src/BootstrapBlazor/Components/Card/Card.razor.cs
index 3db0a913999..bdd362a3bd5 100644
--- a/src/BootstrapBlazor/Components/Card/Card.razor.cs
+++ b/src/BootstrapBlazor/Components/Card/Card.razor.cs
@@ -128,6 +128,7 @@ public partial class Card
 
     private string? HeaderStyleString => CssBuilder.Default()
         .AddStyle("--bs-card-cap-padding-y", HeaderPaddingY)
+        .AddStyleFromAttributes(AdditionalAttributes)
         .Build();
 
     /// <summary>