diff --git a/maildrop-3.0.8.tar.bz2 b/maildrop-3.0.8.tar.bz2
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diff --git a/maildrop-3.0.8.tar.bz2.sig b/maildrop-3.0.8.tar.bz2.sig
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diff --git a/maildrop-3.1.5.tar.bz2 b/maildrop-3.1.5.tar.bz2
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diff --git a/maildrop.spec b/maildrop.spec
index e5ffe23..324ea90 100644
--- a/maildrop.spec
+++ b/maildrop.spec
@@ -2,9 +2,9 @@
 
 Summary:             Mail delivery agent with filtering abilities
 Name:                maildrop
-Version:             3.0.8
-Release:             2
-License:             GPLv2 with exceptions
+Version:             3.1.5
+Release:             1
+License:             GPL-3.0-only WITH Classpath-exception-2.0
 URL:                 http://www.courier-mta.org/maildrop/
 Source0:             https://downloads.sourceforge.net/project/courier/%{name}/%{version}/%{name}-%{version}.tar.bz2
 Source1:             https://downloads.sourceforge.net/project/courier/%{name}/%{version}/%{name}-%{version}.tar.bz2.sig
@@ -12,7 +12,7 @@ Source2:             pubkey.maildrop
 
 Requires:            courier-unicode >= 2.1
 BuildRequires:       automake, libtool, autoconf gcc-c++, gdbm-devel, libdb-devel, pcre2-devel gawk
-BuildRequires:       gnupg courier-unicode-devel >= 2.1 libidn-devel
+BuildRequires:       gnupg courier-unicode-devel >= 2.1 libidn2-devel
 
 %description
 maildrop is the mail filter/mail delivery agent that's used by the
@@ -61,8 +61,8 @@ cp -pr README README.postfix ChangeLog UPGRADE %{buildroot}%{_defaultdocdir}/%{n
 
 %files
 %doc %{_defaultdocdir}/%{name}
-%attr(6755,root,mail) %{_bindir}/maildrop
-%attr(6755,root,mail) %{_bindir}/lockmail
+%attr(555,root,mail) %{_bindir}/maildrop
+%attr(555,root,mail) %{_bindir}/lockmail
 %{_bindir}/deliverquota
 %{_bindir}/mailbot
 %{_bindir}/maildirmake
@@ -79,6 +79,9 @@ cp -pr README README.postfix ChangeLog UPGRADE %{buildroot}%{_defaultdocdir}/%{n
 %{_mandir}/man8/*.8*
 
 %changelog
+* Wed May 10 2023 liyanan <thistleslyn@163.com> - 3.1.5-1
+- Update package to version 3.1.5
+
 * Sat Nov 05 2022 xinghe <xinghe2@h-partners.com> - 3.0.8-2
 - Type:enhancement
 - ID:NA