diff --git a/fix_build_with_glib2_68.patch b/fix_build_with_glib2_68.patch
new file mode 100644
index 0000000000000000000000000000000000000000..d428e4f8dc4dfff3f760f64d4cf12217fb65ed09
--- /dev/null
+++ b/fix_build_with_glib2_68.patch
@@ -0,0 +1,13 @@
+diff -aurN qtwebkit-5.212.0-alpha4/Source/WTF/wtf/glib/GRefPtr.h qtwebkit-5.212.0-alpha4-mod/Source/WTF/wtf/glib/GRefPtr.h
+--- qtwebkit-5.212.0-alpha4/Source/WTF/wtf/glib/GRefPtr.h	2020-03-04 18:16:37.000000000 +0100
++++ qtwebkit-5.212.0-alpha4-mod/Source/WTF/wtf/glib/GRefPtr.h	2021-04-05 06:58:44.763328636 +0200
+@@ -29,9 +29,6 @@
+ #include <wtf/RefPtr.h>
+ #include <algorithm>
+ 
+-extern "C" void g_object_unref(gpointer);
+-extern "C" gpointer g_object_ref_sink(gpointer);
+-
+ namespace WTF {
+ 
+ enum GRefPtrAdoptType { GRefPtrAdopt };
diff --git a/qt5-qtwebkit.spec b/qt5-qtwebkit.spec
index d94a77c29a0af495ca49c96c1d03e7432e15fb54..9d022e4e1210e4ab55522bc7c3bbc68ff3a9a5e5 100644
--- a/qt5-qtwebkit.spec
+++ b/qt5-qtwebkit.spec
@@ -16,7 +16,7 @@
 
 Name:           qt5-%{qt_module}
 Version:        5.212.0
-Release:        4
+Release:        5
 Summary:        Qt5 - QtWebKit components
 
 License:        LGPLv2 and BSD
@@ -26,6 +26,7 @@ Source0:        https://github.com/qtwebkit/qtwebkit/releases/download/%{qt_modu
 # Patch for new CMake policy CMP0071 to explicitly use old behaviour.
 Patch2:         qtwebkit-5.212.0_cmake_cmp0071.patch
 Patch3:         fix_build_with_bison.patch
+Patch4:         fix_build_with_glib2_68.patch
 
 BuildRequires:  bison
 BuildRequires:  cmake
@@ -232,6 +233,9 @@ test -z "$(pkg-config --cflags Qt5WebKit | grep Qt5WebKit)"
 
 
 %changelog
+* Thu July 23 2021 yangyunyi <yangyunyi2@huawei.com> - 5.212.0-5
+- fix build fail with glib 2.68.1
+
 * Thu Nov 12 2020 wutao <wutao61@huawei.com> - 5.212.0-4
 - update to alpha4 and drop python2 module