diff --git a/systemtap-4.4.tar.gz b/systemtap-4.4.tar.gz
deleted file mode 100644
index 7c5f4e2..0000000
Binary files a/systemtap-4.4.tar.gz and /dev/null differ
diff --git a/systemtap-4.5.tar.gz b/systemtap-4.5.tar.gz
new file mode 100644
index 0000000..cfe30e0
Binary files /dev/null and b/systemtap-4.5.tar.gz differ
diff --git a/systemtap.spec b/systemtap.spec
index df7255b..d38a857 100644
--- a/systemtap.spec
+++ b/systemtap.spec
@@ -21,7 +21,7 @@
 %undefine __brp_mangle_shebangs
 
 Name: systemtap
-Version: 4.4
+Version: 4.5
 Release: 1
 Summary: Linux trace and probe tool
 License: GPLv2+ and Public Domain
@@ -452,6 +452,9 @@ exit 0
 %{_mandir}/man[1378]/*
 
 %changelog
+* Thu Dec 2 2021 zhouwenpei <zhouwenpei1@huawei.com> - 4.5-1
+- upgrade to 4.5
+
 * Mon Feb 1 2021 xinghe <xinghe1@huawei.com> - 4.4-1
 - upgrade to 4.4