diff --git a/rubygem-thread_safe.spec b/rubygem-thread_safe.spec
index 93c969c..dd36c59 100644
--- a/rubygem-thread_safe.spec
+++ b/rubygem-thread_safe.spec
@@ -69,7 +69,7 @@ rspec -Ilib spec
 %{gem_instdir}/yard-template
 
 %changelog
-* Mon Feb 28 2021 huanghaitao <huanghaitao8@huawei.com> - 0.3.6-2
+* Sun Feb 28 2021 huanghaitao <huanghaitao8@huawei.com> - 0.3.6-2
 - Switch concurrent-ruby to disable atomic
 
 * Sat Aug 22 2020 liyanan <liyanan32@huawei.com> - 0.3.6-1