diff --git a/pdm_backend-2.1.5.tar.gz b/pdm_backend-2.1.5.tar.gz
deleted file mode 100644
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diff --git a/pdm_backend-2.1.8.tar.gz b/pdm_backend-2.1.8.tar.gz
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diff --git a/python-pdm-backend.spec b/python-pdm-backend.spec
index 71623e2..205c0b5 100644
--- a/python-pdm-backend.spec
+++ b/python-pdm-backend.spec
@@ -6,7 +6,7 @@ This is the backend for PDM projects that is fully-compatible with PEP 517 spec,
 but you can also use it alone. It reads the metadata of PEP 621 format and coverts it to Core metadata.}
 
 Name:		python-%{pypi_name}
-Version: 	2.1.5
+Version: 	2.1.8
 Release: 	1
 Summary: 	The build backend used by PDM that supports latest packaging standards
 License: 	MIT	
@@ -45,5 +45,13 @@ Summary: The build backend used by PDM that supports latest packaging standards
 %{python3_sitelib}/pdm_backend-*.dist-info/
 
 %changelog
+* Tue Mar 5 2024 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 2.1.8-1
+- Update package with version 2.1.8
+  Bugfix: Can't include nested data files in built wheel.
+  Rename tag-pattern to tag_regex in the docs.
+  Copytree handle existing dirs.
+  Normalize the dist info name in the wheel.
+  Path to uri expansion in dependency string.
+
 * Fri Aug 11 2023 li-miaomiao_zhr <mmlidc@isoftstone.com> - 2.1.5-1
 - Package init