diff --git a/eventlet-0.40.3.tar.gz b/eventlet-0.40.3.tar.gz
deleted file mode 100644
index 31fe010f6cf97075ddbbe38ca44ce577c694be4a..0000000000000000000000000000000000000000
Binary files a/eventlet-0.40.3.tar.gz and /dev/null differ
diff --git a/eventlet-0.40.4.tar.gz b/eventlet-0.40.4.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..fc9145bb7af06625e5fdd43e9eea4531bf0b1b9d
Binary files /dev/null and b/eventlet-0.40.4.tar.gz differ
diff --git a/python-eventlet.spec b/python-eventlet.spec
index e52b2b5da2a532d784dd64fc950bc666d3c5143e..94e9458e1cff4d7a59279a8be3a9b032638dd655 100644
--- a/python-eventlet.spec
+++ b/python-eventlet.spec
@@ -1,19 +1,14 @@
 %global _empty_manifest_terminate_build 0
+%undefine _python_dist_allow_version_zero
 Name:           python-eventlet
-Version:        0.40.3
+Version:        0.40.4
 Release:        1
 Summary:        Highly concurrent networking library
 License:        MIT
 URL:            http://eventlet.net
 Source0:        https://files.pythonhosted.org/packages/source/e/eventlet/eventlet-%{version}.tar.gz
 BuildArch:      noarch
-%description
-Eventlet is a concurrent networking library for Python that allows you to change how you run your code, not how you write it.
-
-%package -n python3-eventlet
-Summary:        Highly concurrent networking library
-Provides:       python-eventlet
-# Base build requires
+BuildRequires: python3-build
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
 BuildRequires:  python3-pbr
@@ -21,10 +16,18 @@ BuildRequires:  python3-pip
 BuildRequires:  python3-wheel
 BuildRequires:  python3-hatchling
 BuildRequires:  python3-hatch-vcs
-# General requires
 BuildRequires:  python3-dns
 BuildRequires:  python3-greenlet
 BuildRequires:  python3-six
+
+%description
+Eventlet is a concurrent networking library for Python that allows you to change how you run your code, not how you write it.
+
+%package -n python3-eventlet
+Summary:        Highly concurrent networking library
+Provides:       python-eventlet
+# Base build requires
+# General requires
 # General requires
 Requires:       python3-dns
 Requires:       python3-greenlet
@@ -41,10 +44,28 @@ Eventlet is a concurrent networking library for Python that allows you to change
 %prep
 %autosetup -n eventlet-%{version}
 
+# Fix setuptools_scm version issue
+if [ -f pyproject.toml ]; then
+  sed -i '/^version *=/d' pyproject.toml
+  sed -i '/^\[project\]/a version = "%{version}"' pyproject.toml
+  sed -i '/dynamic *= *\[.*version.*\]/d' pyproject.toml
+  if grep -q '^\[tool\.setuptools_scm\]' pyproject.toml; then
+    sed -i '/^\[tool\.setuptools_scm\]/,/^\[/ {/^write_to *=/d}' pyproject.toml
+    sed -i '/^\[tool\.setuptools_scm\]/a fallback_version = "%{version}"' pyproject.toml
+  fi
+fi
+
 %build
+export SETUPTOOLS_SCM_PRETEND_VERSION="%{version}"
 %pyproject_build
 
 %install
+export PYTHONDONTWRITEBYTECODE=1
+
+# Clean __pycache__ directories and .pyc/.pyo files
+find %{buildroot} -name '*.py[co]' -delete
+find %{buildroot} -type d -name '__pycache__' -exec rm -rf {} + 2>/dev/null || true
+export SETUPTOOLS_SCM_PRETEND_VERSION="%{version}"
 %pyproject_install
 
 install -d -m755 %{buildroot}/%{_pkgdocdir}
@@ -62,6 +83,9 @@ if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi
 %{_docdir}/*
 
 %changelog
+* Thu Nov 27 2025 zhangzeyang0718 <zhangzeyang@kylinos.cn> - 0.40.4-1
+- Update package to version 0.40.4
+
 * Mon Sep 01 2025 jinshuaiyu <jinshuaiyu@kylinos.cn> - 0.40.3-1
 - Update package to version 0.40.3
 - [SECURITY] Fix request smuggling vulnerability by discarding trailers