diff --git a/.gitignore b/.gitignore
index 204bdce..234ae88 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-gsl-1.14.tar.gz
+/gsl-1.15.tar.gz
diff --git a/gsl-1.10-lib64.patch b/gsl-1.10-lib64.patch
index 4d2cd04..039bf18 100644
--- a/gsl-1.10-lib64.patch
+++ b/gsl-1.10-lib64.patch
@@ -1,6 +1,6 @@
-diff -up gsl-1.10/gsl-config.in.pom gsl-1.10/gsl-config.in
---- gsl-1.10/gsl-config.in.pom	2001-03-21 15:22:44.000000000 +0100
-+++ gsl-1.10/gsl-config.in	2007-10-24 12:55:20.000000000 +0200
+diff -up gsl-1.15/gsl-config.in.pom gsl-1.15/gsl-config.in
+--- gsl-1.15/gsl-config.in.pom	2010-12-26 18:57:08.000000000 +0100
++++ gsl-1.15/gsl-config.in	2011-05-09 08:33:05.000000000 +0200
 @@ -58,16 +58,16 @@ while test $# -gt 0; do
  	;;
  
@@ -11,13 +11,13 @@ diff -up gsl-1.10/gsl-config.in.pom gsl-1.10/gsl-config.in
  
      --libs)
          : ${GSL_CBLAS_LIB=-lgslcblas}
--       	echo @GSL_LIBS@ $GSL_CBLAS_LIB -lm
-+       	echo -lgsl $GSL_CBLAS_LIB -lm
+-	echo @GSL_LIBS@ $GSL_CBLAS_LIB @GSL_LIBM@
++	echo -lgsl $GSL_CBLAS_LIB -lm
         	;;
  
      --libs-without-cblas)
--       	echo @GSL_LIBS@ -lm
-+       	echo -lgsl -lm
+-	echo @GSL_LIBS@ @GSL_LIBM@
++	echo -lgsl -lm
         	;;
      *)
  	usage
diff --git a/gsl-1.14-link.patch b/gsl-1.14-link.patch
index ebaa846..cda7072 100644
--- a/gsl-1.14-link.patch
+++ b/gsl-1.14-link.patch
@@ -1,9 +1,9 @@
-diff -up gsl-1.14/Makefile.in.pom gsl-1.14/Makefile.in
---- gsl-1.14/Makefile.in.pom	2010-03-10 11:58:31.000000000 +0100
-+++ gsl-1.14/Makefile.in	2010-05-05 15:20:11.000000000 +0200
-@@ -309,7 +309,8 @@ top_builddir = @top_builddir@
+diff -up gsl-1.15/Makefile.in.pom gsl-1.15/Makefile.in
+--- gsl-1.15/Makefile.in.pom	2011-05-04 23:10:41.000000000 +0200
++++ gsl-1.15/Makefile.in	2011-05-09 08:51:48.000000000 +0200
+@@ -313,7 +313,8 @@ top_builddir = @top_builddir@
  top_srcdir = @top_srcdir@
- SUBDIRS = gsl utils sys test err const complex cheb block vector matrix permutation combination multiset sort ieee-utils cblas blas linalg eigen specfunc dht qrng rng randist fft poly fit multifit statistics siman sum integration interpolation histogram ode-initval roots multiroots min multimin monte ntuple diff deriv cdf wavelet bspline doc
+ SUBDIRS = gsl utils sys test err const complex cheb block vector matrix permutation combination multiset sort ieee-utils cblas blas linalg eigen specfunc dht qrng rng randist fft poly fit multifit statistics siman sum integration interpolation histogram ode-initval ode-initval2 roots multiroots min multimin monte ntuple diff deriv cdf wavelet bspline doc
  SUBLIBS = block/libgslblock.la blas/libgslblas.la \
 -	bspline/libgslbspline.la complex/libgslcomplex.la \
 +	bspline/libgslbspline.la cblas/libgslcblas.la \
diff --git a/gsl.spec b/gsl.spec
index 605a075..cc386bc 100644
--- a/gsl.spec
+++ b/gsl.spec
@@ -1,7 +1,7 @@
 Summary: The GNU Scientific Library for numerical analysis
 Name: gsl
-Version: 1.14
-Release: 2%{?dist}
+Version: 1.15
+Release: 1%{?dist}
 URL: http://www.gnu.org/software/gsl/
 Source: ftp://ftp.gnu.org/gnu/gsl/%{name}-%{version}.tar.gz
 Patch0: gsl-1.10-lib64.patch
@@ -95,6 +95,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/*.3*
 
 %changelog
+* Mon May  9 2011 Ivana Hutarova Varekova <varekova@redhat.com> - 1.15-1
+- update to 1.15
+
 * Wed Feb 09 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.14-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
 
diff --git a/sources b/sources
index 83c2c0f..a0f1b0b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-d55e7b141815412a072a3f0e12442042  gsl-1.14.tar.gz
+494ffefd90eef4ada678c306bab4030b  gsl-1.15.tar.gz