diff --git a/units.spec b/units.spec
index c8a6164..abbdefb 100644
--- a/units.spec
+++ b/units.spec
@@ -1,12 +1,13 @@
 Name:              units
 Version:           2.17
-Release:           8
+Release:           9
 Summary:           A utility for converting amounts from one unit to another
 License:           GPLv3+
 URL:               https://www.gnu.org/software/units/units.html
 Source:            https://ftp.gnu.org/gnu/units/%{name}-%{version}.tar.gz
 
 BuildRequires:     automake bison gcc ncurses-devel python3-devel readline-devel
+Requires:          python3-requests
 Requires(post):    /sbin/install-info
 Requires(preun):   /sbin/install-info
 
@@ -67,5 +68,8 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Thu Sep 07 2023 Ge Wang <wang__ge@126.com> - 2.17-9
+- Add install requirement
+
 * Fri Feb 07 2020 lihao <lihao129@huawei.com> - 2.17-8
 - Package init