diff --git a/.gitignore b/.gitignore
index b499477..89ba418 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /rjson_0.2.20.tar.gz
+/rjson_0.2.21.tar.gz
diff --git a/R-rjson.spec b/R-rjson.spec
index db48027..65ac4f5 100644
--- a/R-rjson.spec
+++ b/R-rjson.spec
@@ -1,9 +1,9 @@
 %global packname rjson
-%global packver 0.2.20
+%global packver 0.2.21
 
 Name:             R-%{packname}
 Version:          %{packver}
-Release:          5%{?dist}
+Release:          1%{?dist}
 Source0:          %{url}&version=%{version}#/%{packname}_%{packver}.tar.gz
 License:          GPLv2
 URL:              https://CRAN.R-project.org/package=%{packname}
@@ -49,6 +49,10 @@ chmod +x %{buildroot}%{_libdir}/R/library/rjson/rpc_server/start_server
 %{_libdir}/R/library/%{packname}/unittests
 
 %changelog
+* Thu Sep  1 2022 Tom Callaway <spot@fedoraproject.org> 0.2.21-1
+- update to 0.2.21
+- rebuild for R 4.2.1
+
 * Wed Jul 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.2.20-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
 
diff --git a/sources b/sources
index 7efeba3..27c6198 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (rjson_0.2.20.tar.gz) = 6afdef0a192ef538798f5e58d5bdf1109749d54261febbf522eed8dac98ef36a5b7a2212b4b4b0fe8af5204c808f9cce719bb82ff3ac6427c665bf5ca5d35f42
+SHA512 (rjson_0.2.21.tar.gz) = 554759e9f9c0022dea293c904249e8c1afd77f79a3517f5bd36e2275d988bf6cd4e1f1287723889ac154718ae02294e668ac7b68c81031cbb80112c2915be562