diff --git a/jitterentropy-library-2.2.0.tar.gz b/jitterentropy-library-2.2.0.tar.gz
deleted file mode 100644
index 905cd30f2bbbd07b58c99fa353aed76db63840fa..0000000000000000000000000000000000000000
Binary files a/jitterentropy-library-2.2.0.tar.gz and /dev/null differ
diff --git a/jitterentropy-remove-install.patch b/jitterentropy-remove-install.patch
deleted file mode 100644
index 56dc36a7fe2350438298fd699263738baede7edd..0000000000000000000000000000000000000000
--- a/jitterentropy-remove-install.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff --git a/jitterentropy-library/Makefile b/jitterentropy-library/Makefile
-index 4ff069b..503be5c 100644
---- a/jitterentropy-library/Makefile
-+++ b/jitterentropy-library/Makefile
-@@ -56,17 +56,6 @@ cppcheck:
- 	cppcheck --force -q --enable=performance --enable=warning --enable=portability *.h *.c
- 
- install:
--	install -d -m 0755 $(DESTDIR)$(PREFIX)/share/man/man3
--	install -m 644 doc/$(NAME).3 $(DESTDIR)$(PREFIX)/share/man/man3/
--	gzip -9 $(DESTDIR)$(PREFIX)/share/man/man3/$(NAME).3
--	install -d -m 0755 $(DESTDIR)$(PREFIX)/$(LIBDIR)
--	install -m 0755 -s lib$(NAME).so.$(LIBVERSION) $(DESTDIR)$(PREFIX)/$(LIBDIR)/
--	install -d -m 0755 $(DESTDIR)$(PREFIX)/$(INCDIR)
--	install -m 0644 jitterentropy.h $(DESTDIR)$(PREFIX)/$(INCDIR)/
--	install -m 0644 jitterentropy-base-user.h $(DESTDIR)$(PREFIX)/$(INCDIR)/
--	$(RM) $(DESTDIR)$(PREFIX)/$(LIBDIR)/lib$(NAME).so.$(LIBMAJOR)
--	ln -s lib$(NAME).so.$(LIBVERSION) $(DESTDIR)$(PREFIX)/$(LIBDIR)/lib$(NAME).so.$(LIBMAJOR)
--	ln -s lib$(NAME).so.$(LIBMAJOR) $(DESTDIR)$(PREFIX)/$(LIBDIR)/lib$(NAME).so
- 
- clean:
- 	@- $(RM) $(NAME)
diff --git a/rng-tools.spec b/rng-tools.spec
index 3926f00ec43c13d42d548435b3810bc3b96e0dbc..0400ee45c548af3d824789892b0fc76692812356 100644
--- a/rng-tools.spec
+++ b/rng-tools.spec
@@ -1,20 +1,17 @@
 Name:            rng-tools
 Version:         6.14
-Release:         1
+Release:         2
 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-2.2.0.tar.gz
-
-Patch0:          jitterentropy-remove-install.patch
 
 #Dependency
 BuildRequires:   gcc make gettext systemd autoconf automake
-BuildRequires:   libgcrypt-devel libsysfs-devel libcurl-devel libxml2-devel openssl-devel
-BuildRequires:   libp11-devel jansson-devel
-Requires:        libgcrypt libsysfs openssl libxml2 libcurl
+BuildRequires:   libgcrypt-devel libcurl-devel libxml2-devel openssl-devel
+BuildRequires:   libp11-devel jansson-devel jitterentropy-library-devel
+Requires:        libgcrypt libsysfs openssl libxml2 libcurl jitterentropy-library openssl-pkcs11
 %{?systemd_requires}
 
 %description
@@ -24,7 +21,7 @@ and supplies entropy from them to the system kernel's /dev/random machinery.
 %package_help
 
 %prep
-%autosetup -n %{name}-%{version} -a 2 -p1
+%autosetup -n %{name}-%{version} -p1
 
 %build
 ./autogen.sh
@@ -61,6 +58,9 @@ install -D -t $RPM_BUILD_ROOT%{_unitdir} -m 0644 %{SOURCE1}
 %{_mandir}/man8/rngd.8.*
 
 %changelog
+* Mon Dec 27 2021 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 6.14-2
+- Use the external jitterentropy library
+
 * Sat Nov 27 2021 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 6.14-1
 - update version to 6.14