diff --git a/rng-tools.spec b/rng-tools.spec
index 8990111..87fe6f9 100644
--- a/rng-tools.spec
+++ b/rng-tools.spec
@@ -1,11 +1,14 @@
 Name:            rng-tools
 Version:         6.3.1
-Release:         3
+Release:         4
 Summary:         Random number generator daemon
 License:         GPLv2+
 URL:             https://github.com/nhorman/rng-tools
 Source0:         https://github.com/nhorman/rng-tools/archive/v%{version}.tar.gz
 Source1:         rngd.service
+Source2:         jitterentropy-library-3f7b6cc.tar.gz
+
+Patch0:          jitterentropy-remove-install.patch
 
 #Dependency
 BuildRequires:   gcc make gettext systemd autoconf automake
@@ -56,5 +59,8 @@ install -D -t $RPM_BUILD_ROOT%{_unitdir} -m 0644 %{SOURCE1}
 %{_mandir}/man8/rngd.8.*
 
 %changelog
+* Fri Oct 11 2019 openEuler Buildteam <buildteam@openeuler.org> - 6.3.1-4
+- add jitterentropy support
+
 * Wed Feb 19 2020 wanjiankang <wanjiankang@huawei.com> - 6.3.1-3
 - Package init