diff --git a/digest-list-tools.spec b/digest-list-tools.spec
index e9aaf47..7c4eebc 100644
--- a/digest-list-tools.spec
+++ b/digest-list-tools.spec
@@ -1,6 +1,6 @@
 name:           digest-list-tools
 Version:        0.3.95
-Release:        2
+Release:        3
 Summary:        Utilities for IMA Digest Lists extension
 
 Source0:        https://gitee.com/openeuler/%{name}/repository/archive/v%{version}.tar.gz
@@ -8,6 +8,8 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 License:        GPLv2+
 Url:            https://gitee.com/openeuler/digest-list-tools
 
+Patch0:         fix-multiple-definition-of-pgp_algo_mapping.patch
+
 BuildRequires:  autoconf automake libcurl-devel libtool rpm-devel dracut gzip
 BuildRequires:  libcap-devel libcmocka-devel libselinux-devel
 
@@ -118,6 +120,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/%{name}.1.gz
 
 %changelog
+* Mon Aug 2 2021 Anakin Zhang <zhangtianxing3@huawei.com> - 0.3.95-3
+- Fix multiple definition of pgp_algo_mapping
+
 * Tue Mar 30 2021 Anakin Zhang <zhangtianxing3@huawei.com> - 0.3.95-2
 - Add devel subpackage
 
diff --git a/fix-multiple-definition-of-pgp_algo_mapping.patch b/fix-multiple-definition-of-pgp_algo_mapping.patch
new file mode 100644
index 0000000..674c041
--- /dev/null
+++ b/fix-multiple-definition-of-pgp_algo_mapping.patch
@@ -0,0 +1,26 @@
+From e5c1f8066959b5ed3ca7bca3acb4a59cb3e3cd16 Mon Sep 17 00:00:00 2001
+From: Zhang Tianxing <zhangtianxing3@huawei.com>
+Date: Tue, 3 Aug 2021 00:32:46 +0800
+Subject: [PATCH] fix multiple definition of pgp_algo_mapping
+
+Signed-off-by: Zhang Tianxing <zhangtianxing3@huawei.com>
+---
+ include/lib.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/lib.h b/include/lib.h
+index 604871b..27b71eb 100644
+--- a/include/lib.h
++++ b/include/lib.h
+@@ -44,7 +44,7 @@ enum pgp_hash_algo {
+ 	PGP_HASH__LAST
+ };
+ 
+-enum hash_algo pgp_algo_mapping[PGP_HASH__LAST];
++extern enum hash_algo pgp_algo_mapping[PGP_HASH__LAST];
+ 
+ int read_file_from_path(int dirfd, const char *path, void **buf, loff_t *size);
+ int read_write_file_from_path(int dirfd, const char *path, void **buf,
+-- 
+2.26.2
+