diff --git a/lua-expat.spec b/lua-expat.spec
index cfe66a38c3acc8cdeb1d70b1bf5434692bda46d9..4e5209d43a239fecc3c16e42cf85e510f2e4c403 100644
--- a/lua-expat.spec
+++ b/lua-expat.spec
@@ -1,10 +1,11 @@
-%define luaver 5.3.5
+# this macro is needed for bumping version of lua
+%global luaver %(lua -e "print(string.sub(_VERSION, 5))" || echo 0)
 %define lualibdir %{_libdir}/lua/%{luaver}
 %define luapkgdir %{_datadir}/lua/%{luaver}
 
 Name:           lua-expat
 Version:        1.3.0
-Release:        18
+Release:        19
 Summary:        A SAX XML parser based on the Expat library
 License:        MIT
 URL:            http://www.keplerproject.org/luaexpat/
@@ -56,6 +57,12 @@ lua -e 'package.cpath="./src/?.so;" .. package.cpath; package.path="./src/?.lua;
 %doc doc/us/*
 
 %changelog
+* Fri Aug 14 2020 shenyangyang<shenyangyang4@huawei.com> - 1.3.0-19
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Modify macro of luaver for bumping version of lua
+
 * Wed Aug 12 2020 wenzhanli<wenzhanli2@huawei.com> - 1.3.0-18
 - Type:bugfix
 - ID:NA