diff --git a/lib/src/builder.dart b/lib/src/builder.dart
index 31a7c95..89a09ca 100644
--- a/lib/src/builder.dart
+++ b/lib/src/builder.dart
@@ -980,11 +980,21 @@ class MarkdownBuilder implements md.NodeVisitor {
   Widget _buildRichText(TextSpan text, {TextAlign? textAlign, String? key}) {
     //Adding a unique key prevents the problem of using the same link handler for text spans with the same text
     final Key k = key == null ? UniqueKey() : Key(key);
+    // Build strutStyle from paragraph style to enforce consistent line height across spans with different font weights.
+    final TextStyle? pStyle = styleSheet.p;
+    final StrutStyle? strutStyle = pStyle != null ? StrutStyle(
+      fontFamily: pStyle.fontFamily,
+      fontSize: pStyle.fontSize,
+      height: pStyle.height,
+      leading: 0,
+      forceStrutHeight: true,
+    ) : null;
     if (selectable) {
       return SelectableText.rich(
         text,
         textScaler: styleSheet.textScaler,
         textAlign: textAlign ?? TextAlign.start,
+        strutStyle: strutStyle,
         onSelectionChanged: onSelectionChanged != null
             ? (TextSelection selection, SelectionChangedCause? cause) =>
                 onSelectionChanged!(text.text, selection, cause)
@@ -997,6 +1007,7 @@ class MarkdownBuilder implements md.NodeVisitor {
         text,
         textScaler: styleSheet.textScaler,
         textAlign: textAlign ?? TextAlign.start,
+        strutStyle: strutStyle,
         key: k,
       );
     }