diff --git a/dialect/sql/builder.go b/dialect/sql/builder.go
index 5c43d37fa..7e7f35989 100644
--- a/dialect/sql/builder.go
+++ b/dialect/sql/builder.go
@@ -252,6 +252,12 @@ func (t *TableAlter) DropColumn(c *ColumnBuilder) *TableAlter {
 	return t
 }
 
+// RenameIndex appends the `RENAME INDEX` clause to the given `ALTER TABLE` statement.
+func (t *TableAlter) RenameIndex(curr, new string) *TableAlter {
+	t.Queries = append(t.Queries, Raw(fmt.Sprintf("RENAME INDEX %s TO %s", t.Quote(curr), t.Quote(new))))
+	return t
+}
+
 // AddForeignKey adds a foreign key constraint to the `ALTER TABLE` statement.
 func (t *TableAlter) AddForeignKey(fk *ForeignKeyBuilder) *TableAlter {
 	t.Queries = append(t.Queries, &Wrapper{"ADD CONSTRAINT %s", fk})
diff --git a/dialect/sql/builder_test.go b/dialect/sql/builder_test.go
index 5725dcc41..cb9fa50eb 100644
--- a/dialect/sql/builder_test.go
+++ b/dialect/sql/builder_test.go
@@ -191,6 +191,10 @@ func TestBuilder(t *testing.T) {
 				DropColumn(Column("name")),
 			wantQuery: `ALTER TABLE "users" ADD COLUMN "boring" varchar, ALTER COLUMN "age" TYPE int, DROP COLUMN "name"`,
 		},
+		{
+			input:     AlterTable("users").RenameIndex("old", "new"),
+			wantQuery: "ALTER TABLE `users` RENAME INDEX `old` TO `new`",
+		},
 		{
 			input:     Insert("users").Columns("age").Values(1),
 			wantQuery: "INSERT INTO `users` (`age`) VALUES (?)",