diff --git a/mock.spec b/mock.spec
index c5fdcd24c76259bd355de99efeb4c2abc72d5a80..56b22f88c327ad22b830e66ebd6f24f58a434b76 100644
--- a/mock.spec
+++ b/mock.spec
@@ -8,7 +8,7 @@
 Summary: Builds packages inside chroots
 Name: mock
 Version: 5.6
-Release: 2
+Release: 3
 License: GPL-2.0-or-later
 Source:  https://github.com/rpm-software-management/mock/releases/download/mock-2.2-1/%{name}-%{version}.tar.gz
 URL: https://github.com/rpm-software-management/mock/
@@ -20,6 +20,8 @@ Requires: python3-six >= 1.4.0
 Requires: python3-requests
 Requires: python3-rpm
 Requires: python3-pyroute2
+Requires: python3-backoff
+Requires: python3-templated-dictionary
 BuildRequires: python3-devel
 BuildRequires: python3-backoff
 %if %{with lint}
@@ -240,6 +242,9 @@ pylint-3 py/mockbuild/ py/*.py py/mockbuild/plugins/* || :
 %dir  %{_datadir}/cheat
 
 %changelog
+* Mon May 26 2025 samshichao <shichao@teligen.net> - 5.6-3
+- Add installation dependencies
+
 * Sun Oct 20 2024 shafeipaozi <sunbo.oerv@isrc.iscas.ac.cn> - 5.6-2
 - update check