diff --git a/devhelp.spec b/devhelp.spec
index 7946cdc..3d11af1 100644
--- a/devhelp.spec
+++ b/devhelp.spec
@@ -1,7 +1,7 @@
 Name:              devhelp
 Epoch:             1
 Version:           3.38.1
-Release:           1
+Release:           2
 Summary:           GTK API documentation browser
 
 License:           GPLv2+
@@ -11,8 +11,8 @@ Source0:           https://download.gnome.org/sources/%{name}/3.38/%{name}-%{ver
 BuildRequires:     chrpath desktop-file-utils gettext gobject-introspection-devel gtk-doc itstool meson
 BuildRequires:     pkgconfig(amtk-5) pkgconfig(gsettings-desktop-schemas) pkgconfig(gtk+-3.0) pkgconfig(webkit2gtk-4.0)
 BuildRequires:     libappstream-glib
-Provides:          %{name}-libs = %{version}-%{release}
-Obsoletes:         %{name}-libs <= %{version}-%{release}
+Provides:          %{name}-libs = %{epoch}:%{version}-%{release}
+Obsoletes:         %{name}-libs <= %{epoch}:%{version}-%{release}
 
 %description
 A browser to show API documentation generated by gtk-doc.
@@ -73,6 +73,9 @@ rm -rf ${RPM_BUILD_ROOT}%{_libdir}/gedit/plugins/__pycache__
 %{_mandir}/man1/devhelp.1*
 
 %changelog
+* Tue Jul 27 2021 weijin deng <weijin.deng@turbolinux.com.cn> - 1:3.38.1-2
+- Add epoch  for provides
+
 * Wed Jun 30 2021 weijin deng <weijin.deng@turbolinux.com.cn> - 1:3.38.1-1
 - Upgrade to 1:3.38.1