diff --git a/posix_ipc-1.0.5.tar.gz b/posix_ipc-1.0.5.tar.gz
deleted file mode 100644
index d2517aa..0000000
Binary files a/posix_ipc-1.0.5.tar.gz and /dev/null differ
diff --git a/python-posix_ipc.spec b/python-posix_ipc.spec
index 4c3ba7b..c27666f 100644
--- a/python-posix_ipc.spec
+++ b/python-posix_ipc.spec
@@ -1,10 +1,10 @@
 Name:                python-posix_ipc
-Version:             1.0.5
+Version:             1.1.1
 Release:             1
 Summary:             POSIX IPC primitives (semaphores and shared memory) for Python
 License:             BSD-3-Clause
 URL:                 http://semanchuk.com/philip/posix_ipc/
-Source0:             http://semanchuk.com/philip/posix_ipc/posix_ipc-%{version}.tar.gz
+Source0:             https://github.com/osvenskan/posix_ipc/archive/refs/tags/rel1.1.1.tar.gz
 BuildRequires:       	gcc
 %global _description\
 posix_ipc is a Python module (written in C) that permits creation and\
@@ -18,7 +18,7 @@ BuildRequires:       python3-devel python3-setuptools
 %description -n python3-posix_ipc %_description
 
 %prep
-%setup -q -n posix_ipc-%{version}
+%setup -q -n posix_ipc-rel%{version}
 chmod 644 demo/make_all.sh
 chmod 644 demo2/cleanup.py
 chmod 644 demo/cleanup.py
@@ -31,10 +31,13 @@ find . -name '*.py' | xargs sed -i '1s|^#!python|#!%{__python3}|'
 %py3_install
 
 %files -n python3-posix_ipc
-%doc README LICENSE demo demo2
+%doc README.md LICENSE demo demo2
 %{python3_sitearch}/*
 
 %changelog
+* Tue Apr 04 2023 Ge Wang <wangge20@h-partners.com> - 1.1.1-1
+- update to version 1.1.1
+
 * Mon Aug 01 2022 liqiuyu <liqiuyu@kylinos.cn> - 1.0.5-1
 - update to 1.0.5
 
diff --git a/rel1.1.1.tar.gz b/rel1.1.1.tar.gz
new file mode 100644
index 0000000..39249f2
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