diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..d87f5613ec4234f82f8eaeebc563711f587fdf88
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.xz filter=lfs diff=lfs merge=lfs -text
diff --git a/.lfsconfig b/.lfsconfig
new file mode 100644
index 0000000000000000000000000000000000000000..93427829052a6d115cca4f4189843c904ed6ff19
--- /dev/null
+++ b/.lfsconfig
@@ -0,0 +1,2 @@
+[lfs]
+	url = https://artlfs.openeuler.openatom.cn/src-openEuler/qt6-qtconnectivity
diff --git a/qt6-qtconnectivity.spec b/qt6-qtconnectivity.spec
index 6a0bba3dd1179ac25e2f3dc81dfaa0bedad604f8..a6a29e80fefe70558ff39ff7ef31003f2c2287bf 100644
--- a/qt6-qtconnectivity.spec
+++ b/qt6-qtconnectivity.spec
@@ -6,8 +6,8 @@
 
 Summary: Qt6 - Connectivity components
 Name:    qt6-%{qt_module}
-Version: 6.8.2
-Release: 2
+Version: 6.8.3
+Release: 1
 
 # See LICENSE.GPL3, respectively, for exception details
 License: LGPL-3.0-only OR GPL-3.0-only WITH Qt-GPL-exception-1.0
@@ -129,6 +129,9 @@ popd
 %endif
 
 %changelog
+* Sat Jul 05 2025 Funda Wang <fundawang@yeah.net> - 6.8.3-1
+- update to 6.8.3
+
 * Wed Mar 26 2025 Funda Wang <fundawang@yeah.net> - 6.8.2-2
 - build documentation
 
diff --git a/qtconnectivity-everywhere-src-6.8.2.tar.xz b/qtconnectivity-everywhere-src-6.8.2.tar.xz
deleted file mode 100644
index 8f5ff29f9ba6521f94e3beb41c6e09f17f3c5f96..0000000000000000000000000000000000000000
Binary files a/qtconnectivity-everywhere-src-6.8.2.tar.xz and /dev/null differ
diff --git a/qtconnectivity-everywhere-src-6.8.3.tar.xz b/qtconnectivity-everywhere-src-6.8.3.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..ceffa102d439c1a1c54dcc7893dd74f8eec66442
--- /dev/null
+++ b/qtconnectivity-everywhere-src-6.8.3.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:477176383308ce77f974a16f118027e833061caed57aeb30eeb4306a583c9b39
+size 1071152