diff --git a/gsl.changes b/gsl.changes
index 69e381b..3025bd8 100644
--- a/gsl.changes
+++ b/gsl.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Oct 15 04:47:13 UTC 2011 - coolo@suse.com
+
+- add libtool as buildrequire to make the spec file more reliable
+
 -------------------------------------------------------------------
 Sat Oct  1 01:08:56 UTC 2011 - crrodriguez@opensuse.org
 
diff --git a/gsl.spec b/gsl.spec
index e93293c..8d2ec04 100644
--- a/gsl.spec
+++ b/gsl.spec
@@ -23,6 +23,7 @@ Name:           gsl
 BuildRequires:  blas
 %if 0%{?suse_version}
 BuildRequires:  pkg-config
+BuildRequires:  libtool
 %else
 BuildRequires:  pkgconfig
 %endif