diff --git a/pigz-2.2.4-ldflags.patch b/pigz-2.2.4-ldflags.patch
deleted file mode 100644
index 4a3b52b..0000000
--- a/pigz-2.2.4-ldflags.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up pigz-2.2.4/Makefile~ pigz-2.2.4/Makefile
---- pigz-2.2.4/Makefile~	2012-02-12 07:18:18.000000000 +0200
-+++ pigz-2.2.4/Makefile	2012-06-13 00:42:38.701204688 +0300
-@@ -2,7 +2,7 @@ CC=cc
- CFLAGS=-O3 -Wall -Wextra
- 
- pigz: pigz.o yarn.o
--	$(CC) -o pigz pigz.o yarn.o -lpthread -lz
-+	$(CC) -o pigz pigz.o yarn.o -lpthread -lz ${RPM_LD_FLAGS}
- 	ln -f pigz unpigz
- 
- pigz.o: pigz.c yarn.h
diff --git a/pigz.spec b/pigz.spec
index 47d7987..c1797e6 100644
--- a/pigz.spec
+++ b/pigz.spec
@@ -1,13 +1,12 @@
 Name:           pigz
-Version:        2.2.5
-Release:        3%{?dist}
+Version:        2.3.1
+Release:        1%{?dist}
 Summary:        Parallel implementation of gzip
 
 Group:          Applications/File
 License:        zlib
 URL:            http://www.zlib.net/pigz/
 Source0:        http://www.zlib.net/%{name}/%{name}-%{version}.tar.gz
-Patch0:         %{name}-2.2.4-ldflags.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  zlib-devel
@@ -20,11 +19,9 @@ multiple processors and multiple cores to the hilt when compressing data.
 
 %prep
 %setup -q
-%patch0 -p1
-
 
 %build
-make %{?_smp_mflags} CFLAGS='%{optflags}'
+make %{?_smp_mflags} CFLAGS="$RPM_OPT_FLAGS"
 
 
 %install
@@ -34,7 +31,7 @@ pushd $RPM_BUILD_ROOT%{_bindir}; ln pigz unpigz; popd
 install -p -D pigz.1 -m 0644 $RPM_BUILD_ROOT%{_datadir}/man/man1/pigz.1
 
 %check
-make tests
+make tests CFLAGS="$RPM_OPT_FLAGS"
 
 %clean
 rm -rf $RPM_BUILD_ROOT
@@ -49,6 +46,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Mon May 19 2014 Adel Gadllah <adel.gadllah@gmail.com> - 2.3.1-1
+- Update to 2.3.1
+
 * Sun Aug 04 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.2.5-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
 
diff --git a/sources b/sources
index a02b960..800f294 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-188f769ccedc403893d03049ad31e969  pigz-2.2.5.tar.gz
+e803f8bc0770c7a5e96dccb1d2dd2aab  pigz-2.3.1.tar.gz