diff --git a/.gitignore b/.gitignore
index 16fdf33..96705a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@
 /qt5integration-5.1.0.8.tar.gz
 /qt5integration-5.1.0.10.tar.gz
 /qt5integration-5.1.5.tar.gz
+/qt5integration-5.5.8.tar.gz
diff --git a/deepin-qt5integration.spec b/deepin-qt5integration.spec
index 3b46c37..a9dbfa1 100644
--- a/deepin-qt5integration.spec
+++ b/deepin-qt5integration.spec
@@ -1,7 +1,9 @@
 %global repo qt5integration
+%global _dtk_branch 5.5
+%global __provides_exclude_from ^%{_qt5_plugindir}/.*\.so$
 
 Name:           deepin-qt5integration
-Version:        5.1.5
+Version:        5.5.8
 Release:        %autorelease
 Summary:        Qt platform theme integration plugins for DDE
 # The entire source code is GPLv3+ except styles/ which is BSD,
@@ -35,6 +37,7 @@ BuildRequires:  pkgconfig(xcb)
 BuildRequires:  pkgconfig(mtdev)
 BuildRequires:  pkgconfig(Qt5Multimedia)
 BuildRequires:  pkgconfig(Qt5MultimediaWidgets)
+BuildRequires:  gtest-devel
 BuildRequires:  qt5-qtbase-common
 # for libQt5ThemeSupport.a
 BuildRequires:  qt5-qtbase-static
@@ -56,14 +59,16 @@ Multiple Qt plugins to provide better Qt5 integration for DDE is included.
 %install
 %make_install INSTALL_ROOT=%{buildroot}
 
+# Upstream installs the same plugin twice as Qt plugins, which breaks everything.
+find %{buildroot}%{_qt5_plugindir} -type f ! -name '*%{_dtk_branch}.so' -delete -print
+
 %files
 %doc README.md
 %license LICENSE
-%{_qt5_plugindir}/platformthemes/libqdeepin.so
-%{_qt5_plugindir}/iconengines/libdsvgicon.so
-%{_qt5_plugindir}/imageformats/libdsvg.so
-%{_qt5_plugindir}/iconengines/libdtkbuiltin.so
-%{_qt5_plugindir}/styles/libchameleon.so
+%{_qt5_plugindir}/platformthemes/lib*%{_dtk_branch}.so
+%{_qt5_plugindir}/iconengines/lib*%{_dtk_branch}.so
+%{_qt5_plugindir}/imageformats/lib*%{_dtk_branch}.so
+%{_qt5_plugindir}/styles/libchameleon*%{_dtk_branch}.so
 
 %changelog
 %autochangelog
diff --git a/sources b/sources
index c5d1276..4cbeb02 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (qt5integration-5.1.5.tar.gz) = 400d92a979c5979d9cd9584b24cf6a02244f1172e99ef09a5648df1e173fc7793b3ad11dda6924f54230b0aba3d6ee64518e8d6428aa75f7f990462696bb6b0c
+SHA512 (qt5integration-5.5.8.tar.gz) = c1c71a8f220d8e237636387eeb9a41d3438bacfcf93497d9ce2f0f6873f295aaeaea2fd09ff92d35baa249034dcc35ee115de4734ec4c60cbf9a3333241a7f3d