diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..c9a618551d7d788cde5f4326178966a3917277e9
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.lfsconfig b/.lfsconfig
new file mode 100644
index 0000000000000000000000000000000000000000..5b31b249c2444a3989919d8dfcb06f152883a391
--- /dev/null
+++ b/.lfsconfig
@@ -0,0 +1,2 @@
+[lfs]
+	url = https://artlfs.openeuler.openatom.cn/src-openEuler/tcl
diff --git a/tcl-core8.6.15-src.tar.gz b/tcl-core8.6.15-src.tar.gz
deleted file mode 100644
index f143e7f9cda5fffbca9d339c8d39abadc739a35e..0000000000000000000000000000000000000000
Binary files a/tcl-core8.6.15-src.tar.gz and /dev/null differ
diff --git a/tcl-core8.6.16-src.tar.gz b/tcl-core8.6.16-src.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..a8dbad2fdb93ee2e72b94a9781db5bfc8bd64fdd
--- /dev/null
+++ b/tcl-core8.6.16-src.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3b371386a9a928eecdbf263bcab7d6a531e620ca3fbab4fdeeb3d6a9a56f38e9
+size 7022932
diff --git a/tcl.spec b/tcl.spec
index 1c37d5163cef63425988e4e3ad0a395924746b97..f580b790aaa546312d015dd1cb37579cd1c79af3 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -1,8 +1,8 @@
 %define MAJOR 8.6
 
 Name:          tcl
-Version:       8.6.15
-Release:       3
+Version:       8.6.16
+Release:       1
 Epoch:         1
 Summary:       The Tool Command Language implementation
 License:       TCL AND GPL-3.0-or-later WITH bison-exception-2.2 AND BSD-3-Clause
@@ -121,6 +121,9 @@ popd
 %{_mandir}/man?/*
 
 %changelog
+* Wed Dec 25 2024 Funda Wang <fundawang@yeah.net> - 1:8.6.16-1
+- update to 8.6.16
+
 * Tue Nov 12 2024 Funda Wang <fundawang@yeah.net> - 1:8.6.15-3
 - fix library and excutable install mode, which will confuse new debugedit