diff --git a/R-curl.spec b/R-curl.spec
index 9d1c5fa..b8a3dc7 100644
--- a/R-curl.spec
+++ b/R-curl.spec
@@ -1,3 +1,5 @@
+%bcond_with check
+
 %global packname  curl
 %global rlibdir  %{_libdir}/R/library
 
@@ -8,7 +10,7 @@
 
 Name:             R-%{packname}
 Version:          4.3
-Release:          2%{?dist}
+Release:          3%{?dist}
 Summary:          A Modern and Flexible Web Client for R
 
 License:          MIT
@@ -25,6 +27,7 @@ Source0:          https://cran.r-project.org/src/contrib/%{packname}_%{version}.
 BuildRequires:    R-devel
 BuildRequires:    tex(latex)
 BuildRequires:    pkgconfig(libcurl)
+%if %{with check}
 BuildRequires:    R-spelling
 BuildRequires:    R-testthat >= 1.0.0
 BuildRequires:    R-jsonlite
@@ -38,6 +41,7 @@ BuildRequires:    R-magrittr
 %if %{with_test}
 BuildRequires:    R-webutils
 %endif
+%endif
 
 %description
 The curl() and curl_download() functions provide highly configurable drop-in
@@ -66,6 +70,7 @@ rm -f %{buildroot}%{rlibdir}/R.css
 
 
 %check
+%if %{with check}
 ARGS=
 %if ! %{with_test}
 export _R_CHECK_FORCE_SUGGESTS_=0
@@ -76,7 +81,7 @@ export _R_CHECK_FORCE_SUGGESTS_=0
 ARGS="$ARGS --ignore-vignettes"
 %endif
 %{_bindir}/R CMD check %{packname} $ARGS
-
+%endif
 
 %files
 %dir %{rlibdir}/%{packname}
@@ -96,6 +101,10 @@ ARGS="$ARGS --ignore-vignettes"
 
 
 %changelog
+* Fri Jun  5 2020 Tom Callaway <spot@fedoraproject.org> - 4.3-3
+- conditionalize check to break loop with httpuv
+- rebuild for R 4
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 4.3-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild