diff --git a/python-bitcoinlib-0.12.2.tar.gz b/python-bitcoinlib-0.12.2.tar.gz
deleted file mode 100644
index 9b62594ff179400f94e416d65160c6cd38686734..0000000000000000000000000000000000000000
Binary files a/python-bitcoinlib-0.12.2.tar.gz and /dev/null differ
diff --git a/python-bitcoinlib-0.7.5.tar.gz b/python-bitcoinlib-0.7.5.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/python-bitcoinlib.spec b/python-bitcoinlib.spec
index cfe76e0dca23e9db92ba2ccf647512ed5f33fce1..9a3183dcb7aff5f8dae26453614e70c2e1dc852c 100644
--- a/python-bitcoinlib.spec
+++ b/python-bitcoinlib.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-bitcoinlib
-Version:	0.12.2
+Version:	0.7.5
 Release:	1
 Summary:	Bitcoin and Other cryptocurrency Library
 License:	GPL-3.0-only
 URL:		http://github.com/1200wd/bitcoinlib
-Source0:	https://files.pythonhosted.org/packages/90/a1/ca9d770094a0bfd0f2ce66b7180f0a7729b1b646d90f37f6debf38b28fab/python-bitcoinlib-0.12.2.tar.gz
+Source0:	https://files.pythonhosted.org/packages/source/p/python-bitcoinlib/python-bitcoinlib-%{version}.tar.gz
 BuildArch:	noarch
 
 %description
@@ -114,6 +114,9 @@ find %{buildroot} -name "*.pyo" -delete 2>/dev/null || true
 %{_docdir}/*
 
 %changelog
+* Fri Nov 28 2025 zhangzeyang0718 <zhangzeyang@kylinos.cn> - 0.7.5-1
+- Update to 0.7.5
+
 * Wed Nov 12 2025 <zhaojianbin@kylinos.com> - 0.12.2-1
 - Update package to version 0.12.2
 - Remove __pycache__ directories from package (Python will regenerate them at runtime)