diff --git a/glib-2.66.8.tar.xz b/glib-2.68.1.tar.xz
similarity index 40%
rename from glib-2.66.8.tar.xz
rename to glib-2.68.1.tar.xz
index 967f3dfc0e89c66aa7f6846c05d8a49115795813..d1389734f1a9acffe1d7275783f2535e24d869dc 100644
Binary files a/glib-2.66.8.tar.xz and b/glib-2.68.1.tar.xz differ
diff --git a/glib2.spec b/glib2.spec
index c1cbb6dc15d52a0b96e7ae67168e3658596c7dbc..43db8526a20ec2cf9b217692aa4fb06925cfd36a 100644
--- a/glib2.spec
+++ b/glib2.spec
@@ -1,16 +1,16 @@
 Name:           glib2
-Version:        2.66.8
+Version:        2.68.1
 Release:        1
 Summary:        The core library that forms the basis for projects such as GTK+ and GNOME
 License:        LGPLv2+
 URL:            http://www.gtk.org
-Source0:        http://download.gnome.org/sources/glib/2.66/glib-%{version}.tar.xz
+Source0:        http://download.gnome.org/sources/glib/2.68/glib-%{version}.tar.xz
 
 BuildRequires:  chrpath gcc gcc-c++ gettext gtk-doc perl-interpreter
 BUildRequires:  glibc-devel libattr-devel libselinux-devel meson
 BuildRequires:  systemtap-sdt-devel pkgconfig(libelf) pkgconfig(libffi)
 BuildRequires:  pkgconfig(libpcre) pkgconfig(mount) pkgconfig(zlib)
-BuildRequires:  python3-devel gamin-devel
+BuildRequires:  python3-devel gamin-devel pkgconfig(sysprof-capture-4)
 
 Provides:       %{name}-fam = %{version}-%{release}
 Obsoletes:      %{name}-fam < %{version}-%{release}
@@ -51,7 +51,7 @@ help document for the glib2 package.
 
 %build
 rm glib/pcre/*.[ch]
-%meson --default-library=both -Dman=true -Ddtrace=true \
+%meson --default-library=both -Dman=true -Ddtrace=true -Dsysprof=enabled \
     -Dsystemtap=true -Dgtk_doc=true -Dfam=true -Dinstalled_tests=true
 
 %meson_build
@@ -140,6 +140,10 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 %doc %{_datadir}/gtk-doc/html/*
 
 %changelog
+* Wed Jun 30 2021 weijin deng <weijin.deng@turbolinux.com.cn> - 2.68.1-1
+- Upgrade to 2.68.1 because gnome-builder and more new gnome applications
+  need function g_memdup2 which needs glib2 ≥2.67.3 to instead of g_memdup
+
 * Wed May 19 2021 weijin deng <weijin.deng@turbolinux.com.cn> - 2.66.8-1
 - Upgrade to 2.66.8
 - Update Version, Release