diff --git a/README.md b/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..da19e2e138b3e013552d6feef770bb758bc0aa73
--- /dev/null
+++ b/README.md
@@ -0,0 +1,60 @@
+# Qt5 子包更新轮次说明
+由于Qt 5各组件之间存在引用私有符号的情况，所以构建的先后顺序比较重要。请务必按照下面的顺序更新。等待每一轮的包到达仓库之后，再进行下一轮次的构建。
+## 第一轮
+```
+qt5
+qt5-qtbase
+```
+
+## 第二轮
+```
+qt5-qtdeclarative
+qt5-qtimageformats
+qt5-qtnetworkauth
+qt5-qtserialport
+qt5-qtsvg
+qt5-qtx11extras
+```
+
+## 第三轮
+```
+qt5-qtcharts
+qt5-qtconnectivity
+qt5-qtdatavis3d
+qt5-qtgamepad
+qt5-qtgraphicaleffects
+qt5-qtlocation
+qt5-qtmultimedia
+qt5-qtquickcontrols
+qt5-qtquickcontrols2
+qt5-qtremoteobjects
+qt5-qtscxml
+qt5-qtsensors
+qt5-qtserialbus
+qt5-qttools
+qt5-qtvirtualkeyboard
+qt5-qtwayland
+qt5-qtwebsockets
+qt5-qtxmlpatterns
+```
+
+## 第四轮
+```
+qt5-qt3d
+qt5-qtdoc
+qt5-qtscript
+qt5-qtspeech
+qt5-qttranslations
+qt5-qtwebchannel
+```
+
+## 第五轮
+```
+qt5-qtwebengine
+qt5-qtwebkit
+```
+
+## 第六轮
+```
+qt5-qtwebview
+```
diff --git a/qt5.spec b/qt5.spec
index bc2db342e7b07d551373bd5059eb4d83983ab28c..e8e2d3c0ff753a45c875d2efe187f7b95fd557b8 100644
--- a/qt5.spec
+++ b/qt5.spec
@@ -1,9 +1,9 @@
 Name:          qt5
-Version:       5.15.10
-Release:       6
+Version:       5.15.16
+Release:       1
 Summary:       Qt5 meta package
 License:       GPLv3
-URL:           https://getfedora.org/
+URL:           https://www.qt.io
 Source0:       macros.qt5
 Source1:       macros.qt5-srpm
 Source2:       qmake-qt5.sh
@@ -75,24 +75,23 @@ echo "- Qt5 meta package" > %{buildroot}%{_docdir}/qt5/README
 echo "- Qt5 devel meta package" > %{buildroot}%{_docdir}/qt5-devel/README
 
 %files
-%defattr(-,root,root)
 %{_docdir}/qt5/README
 
 %files devel
-%defattr(-,root,root)
 %{_docdir}/qt5-devel/README
 
 %files rpm-macros
-%defattr(-,root,root)
 %{_rpmconfigdir}/macros.d/macros.qt5
 %{_bindir}/qmake-qt5.sh
 %{_datadir}/qt5/wrappers/
 
 %files srpm-macros
-%defattr(-,root,root)
 %{_rpmconfigdir}/macros.d/macros.qt5-srpm
 
 %changelog
+* Tue Apr 08 2025 Funda Wang <fundawang@yeah.net> - 5.15.16-1
+- update to 5.15.16
+
 * Sat Mar 01 2025 Funda Wang <fundawang@yeah.net> - 5.15.10-6
 - change requirement on cmake