diff --git a/R-htmltools.spec b/R-htmltools.spec
index 4fd906a..1f58dbf 100644
--- a/R-htmltools.spec
+++ b/R-htmltools.spec
@@ -1,10 +1,12 @@
+%bcond_without bootstrap
+
 %global packname htmltools
 %global packver  0.5.1.1
 %global rlibdir  %{_libdir}/R/library
 
 Name:             R-%{packname}
 Version:          0.5.1.1
-Release:          1%{?dist}
+Release:          2%{?dist}
 Summary:          Tools for HTML
 
 License:          GPLv2+
@@ -25,12 +27,14 @@ BuildRequires:    R-digest
 BuildRequires:    R-grDevices
 BuildRequires:    R-base64enc
 BuildRequires:    R-rlang
+%if %{without bootstrap}
 BuildRequires:    R-markdown
 BuildRequires:    R-testthat
 BuildRequires:    R-withr
 BuildRequires:    R-Cairo
 BuildRequires:    R-ragg
 BuildRequires:    R-shiny
+%endif
 
 %description
 Tools for HTML generation and output.
@@ -51,8 +55,10 @@ rm -f %{buildroot}%{rlibdir}/R.css
 
 
 %check
+%if %{without bootstrap}
 export LANG=C.UTF-8
 %{_bindir}/R CMD check %{packname}
+%endif
 
 
 %files
@@ -70,6 +76,10 @@ export LANG=C.UTF-8
 
 
 %changelog
+* Fri Jun 11 2021 Tom Callaway <spot@fedoraproject.org> - 0.5.1.1-2
+- Rebuilt for R 4.1.0
+- bootstrap
+
 * Sun Feb 07 2021 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0.5.1.1-1
 - Update to latest version (#1915472)