diff --git a/curl.spec b/curl.spec
index e683a98d2ba132c2abd084ffc269762692cb76fe..43d40c8180c1a4f5f80887018f40eb0c180086c0 100644
--- a/curl.spec
+++ b/curl.spec
@@ -7,7 +7,7 @@
 
 Name:           curl
 Version:        8.4.0
-Release:        17
+Release:        18
 Summary:        Curl is used in command lines or scripts to transfer data
 License:        curl
 URL:            https://curl.se/
@@ -179,7 +179,7 @@ for size in full; do (
     export LD_LIBRARY_PATH="${PWD}/lib/.libs"
  
     cd tests
-    perl -I../../tests ../../tests/runtests.pl -a -n -p -v '!flaky'
+    perl -I../../tests ../../tests/runtests.pl -a -n -p -v '!flaky' -j16
 )
 done
 
@@ -238,6 +238,12 @@ rm -rf ${RPM_BUILD_ROOT}%{_libdir}/libcurl.la
 %{_mandir}/man3/*
 
 %changelog
+* Wed May 07 2025 zhouyihang <zhouyihang3@h-partners.com> - 8.4.0-18
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:enable multi-thread testcase to shorten build-time
+
 * Tue May 06 2025 zhouyihang <zhouyihang3@h-partners.com> - 8.4.0-17
 - Type:bugfix
 - CVE:NA