diff --git a/ipywidgets-8.1.7.tar.gz b/ipywidgets-8.1.7.tar.gz
deleted file mode 100644
index 977e54781caefbf196abfd712695b6cc18c0167d..0000000000000000000000000000000000000000
Binary files a/ipywidgets-8.1.7.tar.gz and /dev/null differ
diff --git a/ipywidgets-8.1.8.tar.gz b/ipywidgets-8.1.8.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..fee8c580775a4aa3b80d8ce54b0d7843076b1739
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diff --git a/python-ipywidgets.spec b/python-ipywidgets.spec
index f9da28cfa7ecd70c6f93c1fdfc36406872cab35d..1de634f8a828a6a6a6dee7958b7500c6ae0292a0 100644
--- a/python-ipywidgets.spec
+++ b/python-ipywidgets.spec
@@ -1,14 +1,15 @@
 %global _empty_manifest_terminate_build 0
 %global pypi_name ipywidgets
 
+%undefine _python_dist_allow_version_zero
 Name:           python-%{pypi_name}
-Version:        8.1.7
+Version:        8.1.8
 Release:        1
 Summary:        IPython HTML widgets for Jupyter
 
 License:        BSD-3-Clause
 URL:            https://github.com/jupyter-widgets/ipywidgets
-Source0:        %{url}/archive/%{version}/%{pypi_name}-%{version}.tar.gz
+Source0:        https://files.pythonhosted.org/packages/source/i/ipywidgets/ipywidgets-%{version}.tar.gz
 Source1:        lab-info
 BuildArch:      noarch
 
@@ -30,6 +31,11 @@ BuildRequires:  python3-ipykernel
 BuildRequires:  python3-comm
 BuildRequires:  python3-pytz
 
+BuildRequires: python3-build
+BuildRequires:  python3-jupyter-packaging
+BuildRequires:  python3-tomlkit
+BuildRequires:  python3-deprecation
+
 %description
 Interactive HTML widgets for Jupyter notebooks and the IPython kernel.
 
@@ -41,25 +47,34 @@ Interactive HTML widgets for Jupyter notebooks and the IPython kernel.
 
 %package -n     python3-widgetsnbextension
 Summary:        Jupyter interactive widgets for Jupyter Notebook.
-BuildRequires:  python3-jupyter-packaging
 
 %description -n python3-widgetsnbextension
 This package makes Jupyter widgets available in the classic Jupyter Notebook. 
 
 %package -n     python3-jupyterlab-widgets
 Summary:        Jupyter interactive widgets for JupyterLab.
-BuildRequires:  python3-tomlkit
-BuildRequires:  python3-deprecation
 
 %description -n python3-jupyterlab-widgets
 A JupyterLab 3.0 extension for Jupyter/IPython widgets.
 
 %prep
 %autosetup -p1 -n %{pypi_name}-%{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
 tar xzvf %{SOURCE1} -C ./python/jupyterlab_widgets/
 sed -i 's/\~=/\>=/g' python/ipywidgets/setup.cfg
 
 %build
+export SETUPTOOLS_SCM_PRETEND_VERSION="%{version}"
 mkdir build
 cd %{_builddir}/ipywidgets-%{version}/python/widgetsnbextension
 %pyproject_build
@@ -72,6 +87,12 @@ cd %{_builddir}/ipywidgets-%{version}/python/ipywidgets
 cp ./build/*.whl %{_builddir}/ipywidgets-%{version}/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
 
 %check
@@ -99,6 +120,9 @@ cd %{_builddir}/ipywidgets-%{version}/python/ipywidgets
 %{_datadir}/jupyter/labextensions/
 
 %changelog
+* Thu Nov 27 2025 zhangzeyang0718 <zhangzeyang@kylinos.cn> - 8.1.8-1
+- Update package to version 8.1.8
+
 * Fri May 23 2025 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 8.1.7-1
 - Update package to version 8.1.7
   Fix CI + remove Python 3.8