diff --git a/.gitignore b/.gitignore
index 5a372fd..059941c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 Authen-Simple-0.4.tar.gz
+/Authen-Simple-0.5.tar.gz
diff --git a/perl-Authen-Simple.spec b/perl-Authen-Simple.spec
index 5919acc..425d994 100644
--- a/perl-Authen-Simple.spec
+++ b/perl-Authen-Simple.spec
@@ -1,6 +1,6 @@
 Name:           perl-Authen-Simple
-Version:        0.4
-Release:        8%{?dist}
+Version:        0.5
+Release:        1%{?dist}
 Summary:        Simple Authentication
 License:        GPL+ or Artistic
 Group:          Development/Libraries
@@ -11,7 +11,7 @@ BuildRequires:  perl(Class::Accessor::Fast)
 BuildRequires:  perl(Class::Data::Inheritable)
 BuildRequires:  perl(Crypt::PasswdMD5)
 BuildRequires:  perl(Digest::SHA)
-BuildRequires:  perl(Module::Build)
+BuildRequires:  perl(ExtUtils::MakeMaker)
 BuildRequires:  perl(Params::Validate)
 BuildRequires:  perl(Test::More)
 BuildRequires:  perl(Test::Pod)
@@ -30,17 +30,19 @@ Simple and consistent framework for authentication.
 %setup -q -n Authen-Simple-%{version}
 
 %build
-%{__perl} Build.PL installdirs=vendor
-./Build
+%{__perl} Makefile.PL INSTALLDIRS=vendor
+make %{?_smp_mflags}
 
 %install
-./Build install destdir=$RPM_BUILD_ROOT create_packlist=0
+make pure_install PERL_INSTALL_ROOT=$RPM_BUILD_ROOT
+
+find $RPM_BUILD_ROOT -type f -name .packlist -exec rm -f {} \;
 find $RPM_BUILD_ROOT -depth -type d -exec rmdir {} 2>/dev/null \;
 
 %{_fixperms} $RPM_BUILD_ROOT/*
 
 %check
-./Build test
+make test
 
 %files
 %doc Changes README
@@ -48,6 +50,10 @@ find $RPM_BUILD_ROOT -depth -type d -exec rmdir {} 2>/dev/null \;
 %{_mandir}/man3/*
 
 %changelog
+* Fri Apr 20 2012 Emmanuel Seyman <emmanuel.seyman@club-internet.fr> 0.5-1
+- Update to 0.5
+- Move to the Makefile.PL build system
+
 * Thu Mar 29 2012 Emmanuel Seyman <emmanuel.seyman@club-internet.fr> - 0.4-8
 - Add Class::Accessor::Fast and Class::Data::Inheritable to Requires
 
diff --git a/sources b/sources
index b653ffc..dba5ac3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-ca2ebc687e9282c92f488fa79e3e8723  Authen-Simple-0.4.tar.gz
+dcca5e4d0e79d0f58212e8ece178e0b5  Authen-Simple-0.5.tar.gz