diff --git a/libev-4.24.tar.gz b/libev-4.24.tar.gz
deleted file mode 100644
index c5efba32fd6fa9939201c8c5d89df3499e26c589..0000000000000000000000000000000000000000
Binary files a/libev-4.24.tar.gz and /dev/null differ
diff --git a/libev-4.33.tar.gz b/libev-4.33.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..4cb43d84d85258a3610a7c84d3d13afab1450e64
Binary files /dev/null and b/libev-4.33.tar.gz differ
diff --git a/libev.spec b/libev.spec
index 2e3ece514efb78d7a2bd9d7df4c61f000f407e13..cb2a0e2e81eb1499a40632abd0c63bed3dd126a0 100644
--- a/libev.spec
+++ b/libev.spec
@@ -2,8 +2,8 @@
 %global inst_srcdir %{buildroot}/%{source_dir}
 
 Name:             libev
-Version:          4.24
-Release:          11
+Version:          4.33
+Release:          1
 Summary:          A high-performance event loop/event model with lots of features
 License:          BSD or GPLv2+
 URL:              http://software.schmorp.de/pkg/libev.html
@@ -76,6 +76,12 @@ rm -rf %{buildroot}%{_libdir}/%{name}.la
 %{_mandir}/man?/*
 
 %changelog
+* Wed Apr 15 2020 kangenbo<kangenbo@huawei.com> - 4.33-1
+- Type: bugfix
+- ID:NA
+- SUG:NA
+- DESC:upgrade to 4.33
+
 * Thu Oct 31 2019 openEuler Buildteam <buildteam@openeuler.org> - 4.24-11
 - remove event.h from devel subpackage