diff --git a/.gitignore b/.gitignore
index 0afd98f..4aa0b81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,4 @@
 /sudo-1.8.28p1.tar.gz
 /sudo-1.8.29.tar.gz
 /sudo-1.9.0b1.tar.gz
+/sudo-1.9.0b4.tar.gz
diff --git a/sources b/sources
index 0811552..e6aeaa0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (sudo-1.9.0b1.tar.gz) = 7459d398514b54c6898a3eaebca141f39af661cda51c007e068bea1cc1860df1bc66ea13c752da8f6bf3d574ba92e337874b20279e1400cfea99982a469f5435
+SHA512 (sudo-1.9.0b4.tar.gz) = 8f9da58ebb53d751746e8b271d9089a98cbbeb6e82691c3905c5ac11255bc70c7f467c0097d8dab2980fd94ffb8c438d03326f1bc98f0b580ec6e5b06227f559
diff --git a/sudo.spec b/sudo.spec
index 149038d..34f0d33 100644
--- a/sudo.spec
+++ b/sudo.spec
@@ -1,10 +1,13 @@
+%global patchlevel b4
+%global upstream_version %{version}%{patchlevel}
+
 Summary: Allows restricted root access for specified users
 Name: sudo
 Version: 1.9.0
-Release: 0.1.b1%{?dist}
+Release: 0.1.%{patchlevel}%{?dist}
 License: ISC
 URL: http://www.courtesan.com/sudo/
-Source0: https://www.sudo.ws/dist/beta/%{name}-%{version}b1.tar.gz
+Source0: https://www.sudo.ws/dist/beta/%{name}-%{upstream_version}.tar.gz
 Source1: sudoers
 Requires: pam
 Recommends: vim-minimal
@@ -45,7 +48,7 @@ The %{name}-devel package contains header files developing sudo
 plugins that use %{name}.
 
 %prep
-%setup -q -n sudo-1.9.0b1
+%setup -q -n %{name}-%{upstream_version}
 
 %patch1 -p1 -b .strip
 
@@ -166,7 +169,9 @@ EOF
 %attr(0755,root,root) %{_libexecdir}/sudo/sesh
 %attr(0644,root,root) %{_libexecdir}/sudo/sudo_noexec.so
 %attr(0644,root,root) %{_libexecdir}/sudo/sudoers.so
+%attr(0644,root,root) %{_libexecdir}/sudo/audit_json.so
 %attr(0644,root,root) %{_libexecdir}/sudo/group_file.so
+%attr(0644,root,root) %{_libexecdir}/sudo/sample_approval.so
 %attr(0644,root,root) %{_libexecdir}/sudo/system_group.so
 %attr(0644,root,root) %{_libexecdir}/sudo/libsudo_util.so.?.?.?
 %{_libexecdir}/sudo/libsudo_util.so.?
@@ -197,6 +202,10 @@ EOF
 %{_mandir}/man8/sudo_plugin.8*
 
 %changelog
+* Wed Mar 25 2020 Attila Lakatos <alakatos@redhat.com> - 1.9.0-0.1.b4
+- update to latest development version 1.9.0b4
+Resolves: rhbz#1816593
+
 * Mon Feb 24 2020 Attila Lakatos <alakatos@redhat.com> - 1.9.0-0.1.b1
 - update to latest development version 1.9.0b1
 - added sudo_logsrvd and sudo_sendlog to files and their appropriate man pages