diff --git a/html/attributes.go b/html/attributes.go
index 7733457..5e56683 100644
--- a/html/attributes.go
+++ b/html/attributes.go
@@ -93,6 +93,10 @@ func Cols(v string) g.Node {
 	return g.Attr("cols", v)
 }
 
+func ColSpan(v string) g.Node {
+	return g.Attr("colspan", v)
+}
+
 func Content(v string) g.Node {
 	return g.Attr("content", v)
 }
@@ -182,6 +186,10 @@ func Rows(v string) g.Node {
 	return g.Attr("rows", v)
 }
 
+func RowSpan(v string) g.Node {
+	return g.Attr("rowspan", v)
+}
+
 func Src(v string) g.Node {
 	return g.Attr("src", v)
 }
diff --git a/html/attributes_test.go b/html/attributes_test.go
index 50f0b53..4071101 100644
--- a/html/attributes_test.go
+++ b/html/attributes_test.go
@@ -44,6 +44,7 @@ func TestSimpleAttributes(t *testing.T) {
 		"charset":      Charset,
 		"class":        Class,
 		"cols":         Cols,
+		"colspan":      ColSpan,
 		"content":      Content,
 		"enctype":      EncType,
 		"for":          For,
@@ -66,6 +67,7 @@ func TestSimpleAttributes(t *testing.T) {
 		"rel":          Rel,
 		"role":         Role,
 		"rows":         Rows,
+		"rowspan":      RowSpan,
 		"src":          Src,
 		"srcset":       SrcSet,
 		"style":        StyleAttr,